Question

Evaluate (-y)^2 and -y^2 when y=2/5 and when y=-2/5

Answer 1

When y=2/5

(-y)^2= 4/25 and -y^2 = 4/25

When y =-2/5

(--2/5)^2 = 4/25 and -y^2 =4/25

Explanation: