Question

Solve y = x2 +7 for x.
O A. x= y-7
O B. X= tvy +7
O c. x=y+7
O D. X = +Vy-7

Answer 1

`x = √(y-7)`

Explanation:

Given equation is

`y = x^(2) +7`

⇒
`x^(2) +7 =y`

⇒
`x^(2) =y -7`

square rooting both sides

⇒
`x = √(y-7)`