Question

Use the quadratic formula to solve the equation, which has one solution. y2+2y+1=0

Answer 1

Answer :y=−1

Explanation:

y2+2y+1=0

Step 1: Factor left side of equation.

(y+1)(y+1)=0

Step 2: Set factors equal to 0.

y+1=0 or y+1=0

y=−1