Question

Solve the equation using square roots. x^2-9=0 this is what i came up with am i right no real number solutions

Answer 1

where's the equation..........

Answer 2

I'd start by isolating \[x ^{2}\] on one side. What does that step give you?

Answer 3

i did x^2 is 3*3 which equals 9

Answer 4

Good -- 3 is one value that x could be. But there's a second value as well...

Answer 5

ok so it would be -3,3

Answer 6

That's what I got, too.