Question

Solve the equation. Check your solution.

7 = the square root of y + 2

A: square root of 5

B: 5

C: 25

D: 2.5

Answer 1

the answer is c

Explanation:

`√(y) + 2 = 7 \\ ( √(y)) {}^(2) = (5) ^(2) \\ y = 25 \\ check \\ √(25) + 2 = 7 \\ 5 + 2 = 7 \\ 7 = 7`