Question

Solve 4x^2=28 by finding square roots. Please show me how to solve this by including the steps.

Answer 1

first divide both sides by 4, and tell me what you have.

Answer 2

x^2=7

Answer 3

ok now take the square root of both sides and tell me what you have

Answer 4

x= 2.64

Answer 5

?

Answer 6

well, you should have gotten \(x=\pm \sqrt{7}\)

So \(x=\sqrt{7}\) or \(-\sqrt{7}\)

Answer 7

Thanks :)