Question

Solve y=x2 +7 fоr x.
ОА. x = t /у +7
ОВ. x= y +7
Ос. x=y-7
OD. х = + y -7

Answer 1

x = ±
`√(y-7)`

Explanation:

Given

y = x² + 7 ( subtract 7 from both sides )

y - 7 = x² ( take the square root of both sides, thus

x = ±
`√(y-7)`