2 years ago

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

Mathematics

1 answer:

elena55 [62]2 years ago

5 0

Answer:

x = ± $\sqrt{y-7}$

Step-by-step explanation:

Given

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

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

x = ± $\sqrt{y-7}$

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