Question 1

Two angles are supplementary. One angle has a measure of 107°. Find the measure of the other angle.

Accepted Answer

The answer of Two angles are supplementary. One angle has...

Question 2

Solve the system using the elimination method.

Accepted Answer

The answer of Solve the system using the elimination method....

Question 3

Two angles are complementary. One angle has a measure of 36°. Find the measure of the other angle.

Accepted Answer

The answer of Two angles are complementary. One angle has...

Question 4

A linear inequality has infinitely many points in its solution set.

Accepted Answer

A linear inequality represents a region of points on a graph, and since there are infinitely many points on a line, there are also infinitely many points in the solution set of a linear inequality.

Question 5

Solve the system using the elimination method.

Accepted Answer

The answer of Solve the system using the elimination method....

Question 6

You bought snacks on two different days. The first day you bought 2 candy bars and 3 cups of coffee for a total of $6. The second day you bought 5 candy bars and 3 cups of coffee for a total of $8.70. How much does each candy bar and cup of coffee cost individually?

Accepted Answer

The answer of You bought snacks on two different days....

Question 7

You need to mix a 20% saline solution with a 36% saline solution to make a 30% saline solution. You need a total of 16 ounces in the mix. How many ounces of the 20% saline solution and the 36% saline solution should you use?

Accepted Answer

The answer of You need to mix a 20% saline...

Question 8

Solve the system using the elimination method.

Accepted Answer

The answer of Solve the system using the elimination method....

Question 9

A first number decreased by double the second number is 7. The sum of the first number and 3 times the second number is 32. Find the two numbers.

Accepted Answer

The answer of A first number decreased by double the...

Question 10

When you find the solution set for a linear inequality by graphing the line should be dashed if the inequality includes the  or  sign.

Accepted Answer

The answer of When you find the solution set for...

Question 11

When you find the solution set for a linear inequality by graphing you first graph the line. When you decide which region above or below the line to shade pick a point not on the line to substitute into the original inequality. If that point makes the inequality true shade in the region that contains the test point.

Accepted Answer

This is the correct process for finding the solution set for a linear inequality by graphing.

Question 12

You have $5000 to invest. Part of the money will be invested in a CD earning 2% simple interest and the rest in a bond fund earning 3% interest. In one year you will earn $122.50 in interest. 
 How much did you invest in each account?

Accepted Answer

The answer of You have $5000 to invest. Part of...

Question 13

You have $15000 to invest. Part of the money will be invested in a CD earning 2.5% simple interest and the rest in a bond fund earning 4% interest. In one year you will earn $536.25 in interest. 
 How much did you invest in each account?

Accepted Answer

The answer of You have $15000 to invest. Part of...

Question 14

You went shopping on two different days. The first day you bought 3 pairs of socks and 2 pairs of gloves for a total of $14.25. The second day you bought 4 pairs of socks and 1 pair of gloves for a total of $12.75. How much does each pair of socks and pair of gloves cost individually?

Accepted Answer

The answer of You went shopping on two different days....

Question 15

Solve the system using the elimination method.

Accepted Answer

The answer of Solve the system using the elimination method....

Question 16

You bought supplies for the semester at two different shopping trips. The first trip you bought 3 notebooks and 5 pencils for a total of $7.25. The second trip you bought 5 notebooks and 3 pencils for a total of $10.75. How much does each notebook and pencil cost individually?

Accepted Answer

The answer of You bought supplies for the semester at...

Question 17

As a first step in solving the system by the method of elimination you add together the two equations.  Your resulting equation is  . Is this a true statement?
A) Yes
B) No

Accepted Answer

The answer of As a first step in solving the...

Question 18

The difference of the first number and the second number is  . The sum of double the first number and the second number is zero (0). Find the two numbers.

Accepted Answer

The answer of The difference of the first number and...

Question 19

You need to work two part-time jobs. The job in the Math Lab pays $8 per hour. The job tutoring high school students pays $20 per hour. You work 22 hours per week and make $230 from the two jobs. 
 How many hours do you work at each job?

Accepted Answer

The answer of You need to work two part-time jobs....

Question 20

Solve the system using the elimination method.

Accepted Answer

The answer of Solve the system using the elimination method....

Quiz 4: Systems of Linear Equations

Two angles are supplementary. One angle has a measure of 107°. Find the measure of the other angle.

Solve the system using the elimination method.

Two angles are complementary. One angle has a measure of 36°. Find the measure of the other angle.

A linear inequality has infinitely many points in its solution set.

Solve the system using the elimination method.

You bought snacks on two different days. The first day you bought 2 candy bars and 3 cups of coffee for a total of $6. The second day you bought 5 candy bars and 3 cups of coffee for a total of $8.70. How much does each candy bar and cup of coffee cost individually?

You need to mix a 20% saline solution with a 36% saline solution to make a 30% saline solution. You need a total of 16 ounces in the mix. How many ounces of the 20% saline solution and the 36% saline solution should you use?

Solve the system using the elimination method.

A first number decreased by double the second number is 7. The sum of the first number and 3 times the second number is 32. Find the two numbers.

When you find the solution set for a linear inequality by graphing the line should be dashed if the inequality includes the or sign.

You have $5000 to invest. Part of the money will be invested in a CD earning 2% simple interest and the rest in a bond fund earning 3% interest. In one year you will earn $122.50 in interest. How much did you invest in each account?

You have $15000 to invest. Part of the money will be invested in a CD earning 2.5% simple interest and the rest in a bond fund earning 4% interest. In one year you will earn $536.25 in interest. How much did you invest in each account?

You went shopping on two different days. The first day you bought 3 pairs of socks and 2 pairs of gloves for a total of $14.25. The second day you bought 4 pairs of socks and 1 pair of gloves for a total of $12.75. How much does each pair of socks and pair of gloves cost individually?

Solve the system using the elimination method.

You bought supplies for the semester at two different shopping trips. The first trip you bought 3 notebooks and 5 pencils for a total of $7.25. The second trip you bought 5 notebooks and 3 pencils for a total of $10.75. How much does each notebook and pencil cost individually?

As a first step in solving the system by the method of elimination you add together the two equations. Your resulting equation is . Is this a true statement?

The difference of the first number and the second number is . The sum of double the first number and the second number is zero (0). Find the two numbers.

You need to work two part-time jobs. The job in the Math Lab pays $8 per hour. The job tutoring high school students pays $20 per hour. You work 22 hours per week and make $230 from the two jobs. How many hours do you work at each job?

Solve the system using the elimination method.