Deck 6: Sequences, Series, and Probability

ملء الشاشة (f)
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سؤال
Solve the system using Gauss-Jordan elimination. <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>

A) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
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سؤال
Determine which ordered pair is a solution of the system. <strong>Determine which ordered pair is a solution of the system.  </strong> A)(1, -2) B)(2, 1) C)(-5, 4) D)(-2, 1) E)(-4, -5) <div style=padding-top: 35px>

A)(1, -2)
B)(2, 1)
C)(-5, 4)
D)(-2, 1)
E)(-4, -5)
سؤال
Solve the system using Gauss-Jordan elimination. <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>

A) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(5, 2) B)(3, 2) C)(2, 5) D)(1, 6) E)no solutions <div style=padding-top: 35px>

A)(5, 2)
B)(3, 2)
C)(2, 5)
D)(1, 6)
E)no solutions
سؤال
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

E)cannot multiply
سؤال
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(10, -5) B)(-6, 11) C)(-2, -8) D)(9, 2) E)no solution; inconsistent system <div style=padding-top: 35px>

A)(10, -5)
B)(-6, 11)
C)(-2, -8)
D)(9, 2)
E)no solution; inconsistent system
سؤال
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = 10, y = 2, z = 3 B)x = -10, y = -2, z = -3 C)x = 3, y = 10, z = -3 D)x = 12, y = 9, z = -3 E)no solution; inconsistent system <div style=padding-top: 35px>

A)x = 10, y = 2, z = 3
B)x = -10, y = -2, z = -3
C)x = 3, y = 10, z = -3
D)x = 12, y = 9, z = -3
E)no solution; inconsistent system
سؤال
Solve the system using Gaussian elimination. <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>

A) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(9, -2) B)(6, 3) C)(-3, 10) D)(3, 6) E)no solutions <div style=padding-top: 35px>

A)(9, -2)
B)(6, 3)
C)(-3, 10)
D)(3, 6)
E)no solutions
سؤال
Solve the system by Gauss - Jordan elimination. <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>

A) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
B) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
C) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
D) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
E) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)   <div style=padding-top: 35px>
سؤال
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = 9, y = -6, z = 6 B)x = 1, y = 8, z = -6 C)x = -1, y = -8, z = 6 D)x = 9, y = 1, z = 6 E)no solution; inconsistent system <div style=padding-top: 35px>

A)x = 9, y = -6, z = 6
B)x = 1, y = 8, z = -6
C)x = -1, y = -8, z = 6
D)x = 9, y = 1, z = 6
E)no solution; inconsistent system
سؤال
Find A - B. <strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

A)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

B)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

C)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

D)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

E)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>
سؤال
Find the inverse of the matrix. <strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

A)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

B)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

C)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

D)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

E)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>
سؤال
Determine which ordered pair is a solution of the system. <strong>Determine which ordered pair is a solution of the system.  </strong> A)(6, -4) B)(-7, 1) C)(-7,-3) D)(-4, -6) E)(6, 4) <div style=padding-top: 35px>

A)(6, -4)
B)(-7, 1)
C)(-7,-3)
D)(-4, -6)
E)(6, 4)
سؤال
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = -14, y = 3, z = 4 B)x = -6, y = -8, z = -4 C)x = 6, y = 8, z = 4 D)x = -7, y = -6, z = 4 E)no solution; inconsistent system <div style=padding-top: 35px>

A)x = -14, y = 3, z = 4
B)x = -6, y = -8, z = -4
C)x = 6, y = 8, z = 4
D)x = -7, y = -6, z = 4
E)no solution; inconsistent system
سؤال
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)102 <div style=padding-top: 35px>

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102 <div style=padding-top: 35px>

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102 <div style=padding-top: 35px>

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102 <div style=padding-top: 35px>

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102 <div style=padding-top: 35px>

E)102
سؤال
Solve the system. <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution <div style=padding-top: 35px>

A) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution <div style=padding-top: 35px>
B) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution <div style=padding-top: 35px>
C) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution <div style=padding-top: 35px>
D) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution <div style=padding-top: 35px>
E)no solution
سؤال
Solve the system of equations by graphing. <strong>Solve the system of equations by graphing.  </strong> A)(6, 1) B)(-5, 5) C)(-4, 6) D)(5, -5) E)(3, 13) <div style=padding-top: 35px>

A)(6, 1)
B)(-5, 5)
C)(-4, 6)
D)(5, -5)
E)(3, 13)
سؤال
Find 9A. <strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

A)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

B)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

C)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

D)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

E)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>
سؤال
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply <div style=padding-top: 35px>

E)cannot multiply
سؤال
<strong>  Find the cofactor C<sub> </sub><sub>12</sub> of the matrix.</strong> A)C<sub> </sub><sub>12</sub> = -3 B)C<sub> </sub><sub>12</sub> = 2 C)C<sub> </sub><sub>12</sub> = 3 D)C<sub> </sub><sub>12</sub> = -2 E)none of these <div style=padding-top: 35px> Find the cofactor C 12 of the matrix.

A)C 12 = -3
B)C 12 = 2
C)C 12 = 3
D)C 12 = -2
E)none of these
سؤال
Find the inverse of the matrix. <strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

A)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

B)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

C)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

D)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

E)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>
سؤال
Use a graphing calculator to find the inverse of the matrix. <strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

A)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

B)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

C)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

D)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>

E)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)   <div style=padding-top: 35px>
سؤال
Use Cramer's rule to find the solution of the system, if possible. <strong>Use Cramer's rule to find the solution of the system, if possible.  </strong> A)x = 1, y = -1 B)x = 7, y = -8 C)x = 7, y = -7 D)The system is inconsistent. E)The equations are dependent. <div style=padding-top: 35px>

A)x = 1, y = -1
B)x = 7, y = -8
C)x = 7, y = -7
D)The system is inconsistent.
E)The equations are dependent.
سؤال
Use determinants to find the area of the triangle with vertices at the given points. P(0, 0), Q(20, 0), R(20, 6)

A)A = 120
B)A = 20
C)A = 60
D)A = 6
E)none of these
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Deck 6: Sequences, Series, and Probability
1
Solve the system using Gauss-Jordan elimination. <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)

A) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
B) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
C) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
D) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
E) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
2
Determine which ordered pair is a solution of the system. <strong>Determine which ordered pair is a solution of the system.  </strong> A)(1, -2) B)(2, 1) C)(-5, 4) D)(-2, 1) E)(-4, -5)

A)(1, -2)
B)(2, 1)
C)(-5, 4)
D)(-2, 1)
E)(-4, -5)
(-2, 1)
3
Solve the system using Gauss-Jordan elimination. <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)

A) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
B) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
C) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
D) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
E) <strong>Solve the system using Gauss-Jordan elimination.  </strong> A)   B)   C)   D)   E)
4
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(5, 2) B)(3, 2) C)(2, 5) D)(1, 6) E)no solutions

A)(5, 2)
B)(3, 2)
C)(2, 5)
D)(1, 6)
E)no solutions
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5
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

E)cannot multiply
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6
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(10, -5) B)(-6, 11) C)(-2, -8) D)(9, 2) E)no solution; inconsistent system

A)(10, -5)
B)(-6, 11)
C)(-2, -8)
D)(9, 2)
E)no solution; inconsistent system
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7
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = 10, y = 2, z = 3 B)x = -10, y = -2, z = -3 C)x = 3, y = 10, z = -3 D)x = 12, y = 9, z = -3 E)no solution; inconsistent system

A)x = 10, y = 2, z = 3
B)x = -10, y = -2, z = -3
C)x = 3, y = 10, z = -3
D)x = 12, y = 9, z = -3
E)no solution; inconsistent system
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8
Solve the system using Gaussian elimination. <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)

A) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)
B) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)
C) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)
D) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)
E) <strong>Solve the system using Gaussian elimination.  </strong> A)   B)   C)   D)   E)
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9
Solve the system by substitution, if possible. <strong>Solve the system by substitution, if possible.  </strong> A)(9, -2) B)(6, 3) C)(-3, 10) D)(3, 6) E)no solutions

A)(9, -2)
B)(6, 3)
C)(-3, 10)
D)(3, 6)
E)no solutions
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10
Solve the system by Gauss - Jordan elimination. <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)

A) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)
B) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)
C) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)
D) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)
E) <strong>Solve the system by Gauss - Jordan elimination.  </strong> A)   B)   C)   D)   E)
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11
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = 9, y = -6, z = 6 B)x = 1, y = 8, z = -6 C)x = -1, y = -8, z = 6 D)x = 9, y = 1, z = 6 E)no solution; inconsistent system

A)x = 9, y = -6, z = 6
B)x = 1, y = 8, z = -6
C)x = -1, y = -8, z = 6
D)x = 9, y = 1, z = 6
E)no solution; inconsistent system
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12
Find A - B. <strong>Find A - B.  </strong> A)    B)    C)    D)    E)

A)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)

B)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)

C)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)

D)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)

E)
<strong>Find A - B.  </strong> A)    B)    C)    D)    E)
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13
Find the inverse of the matrix. <strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

A)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

B)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

C)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

D)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

E)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)
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14
Determine which ordered pair is a solution of the system. <strong>Determine which ordered pair is a solution of the system.  </strong> A)(6, -4) B)(-7, 1) C)(-7,-3) D)(-4, -6) E)(6, 4)

A)(6, -4)
B)(-7, 1)
C)(-7,-3)
D)(-4, -6)
E)(6, 4)
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15
Solve the system, if possible. <strong>Solve the system, if possible.  </strong> A)x = -14, y = 3, z = 4 B)x = -6, y = -8, z = -4 C)x = 6, y = 8, z = 4 D)x = -7, y = -6, z = 4 E)no solution; inconsistent system

A)x = -14, y = 3, z = 4
B)x = -6, y = -8, z = -4
C)x = 6, y = 8, z = 4
D)x = -7, y = -6, z = 4
E)no solution; inconsistent system
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16
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)102

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)102

E)102
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17
Solve the system. <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution

A) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution
B) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution
C) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution
D) <strong>Solve the system.  </strong> A)   B)   C)   D)   E)no solution
E)no solution
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18
Solve the system of equations by graphing. <strong>Solve the system of equations by graphing.  </strong> A)(6, 1) B)(-5, 5) C)(-4, 6) D)(5, -5) E)(3, 13)

A)(6, 1)
B)(-5, 5)
C)(-4, 6)
D)(5, -5)
E)(3, 13)
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19
Find 9A. <strong>Find 9A.  </strong> A)    B)    C)    D)    E)

A)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)

B)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)

C)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)

D)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)

E)
<strong>Find 9A.  </strong> A)    B)    C)    D)    E)
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20
Find the product. <strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

A)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

B)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

C)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

D)
<strong>Find the product.   </strong> A)    B)    C)    D)    E)cannot multiply

E)cannot multiply
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21
<strong>  Find the cofactor C<sub> </sub><sub>12</sub> of the matrix.</strong> A)C<sub> </sub><sub>12</sub> = -3 B)C<sub> </sub><sub>12</sub> = 2 C)C<sub> </sub><sub>12</sub> = 3 D)C<sub> </sub><sub>12</sub> = -2 E)none of these Find the cofactor C 12 of the matrix.

A)C 12 = -3
B)C 12 = 2
C)C 12 = 3
D)C 12 = -2
E)none of these
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22
Find the inverse of the matrix. <strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

A)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

B)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

C)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

D)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

E)
<strong>Find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)
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23
Use a graphing calculator to find the inverse of the matrix. <strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

A)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

B)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

C)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

D)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)

E)
<strong>Use a graphing calculator to find the inverse of the matrix.   </strong> A)    B)    C)    D)    E)
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24
Use Cramer's rule to find the solution of the system, if possible. <strong>Use Cramer's rule to find the solution of the system, if possible.  </strong> A)x = 1, y = -1 B)x = 7, y = -8 C)x = 7, y = -7 D)The system is inconsistent. E)The equations are dependent.

A)x = 1, y = -1
B)x = 7, y = -8
C)x = 7, y = -7
D)The system is inconsistent.
E)The equations are dependent.
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25
Use determinants to find the area of the triangle with vertices at the given points. P(0, 0), Q(20, 0), R(20, 6)

A)A = 120
B)A = 20
C)A = 60
D)A = 6
E)none of these
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