Question

Solve: x^2 = 21. If there is more than one answer, write your answers separated by a comma. If necessary, round your answer to the nearest tenth.

Answer 1

take the square root of both sides

Answer 2

what is the sq rt of x^2

Answer 3

I have to write it into like an essay and I have no idea what to do

Answer 4

first just figure out how to solve it.
take the square root of both sides

what is the sq rt of x^

what is the sq rt of 21

Answer 5

x^2

Answer 6

what times what = x ^2

Answer 7

square root of 21 is 4. 58

Answer 8

right and the square root of x^2 = x

x^2 = 21

x = 4.6 it says to round to the nearest thenth

Answer 9

Oh okay so the anwer is 4.6 ?

Answer 10

it will also be - 4.6

Answer 11

does that make sense?

Answer 12

Yes, thanks ! :)