Solve the equation. $y ^ { 2 } - 25 = 0$
A) $y = - \frac { 21 } { 11 }$
B) y= 5
C) y=-6
D) y=-5
E) y=-5,y=5

Name: Solve the equation. $y ^ { 2 } - 25 = 0$ A) $y = - \frac { 21 } { 11 }$ B) y= 5 C) y=-6 D) y=-5 E) y=-5,y=5
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Question

Quizplus · Accepted Answer

This equation is a difference of squares, which can be factored as $(y - 5)(y + 5) = 0$. Setting each factor equal to zero gives the solutions $y = 5$ and $y = -5$.

Solve the Equation y2−25=0y ^ { 2 } - 25 = 0y2−25=0

Solve the Equation $y ^ { 2 } - 25 = 0$