Question

If (y – 1)^3 = 8, what is the value of (y + 1)^2?

Answer 1

16

Explanation:

Step 1: Write equation

(y - 1)³ = 8

Step 2: Find y

Cube root both sides: y - 1 = 2

Add 1 to both sides: y = 3

Step 3: Find question

(3 + 1)²

(4)²

16