Question

Solve the equation x2 = 81 by finding square
roots. For any solution that involves two answers, type one
answer separated by a comma and then the other answer

Answer 1

please help

Answer 2

do you know the square root of 81?

Answer 3

9

Answer 4

you have to remember
\[\sqrt{x^2}=\pm x\]

Answer 5

nope i never did pre-algebra

Answer 6

it means
\[\sqrt{81}= \pm 9\]
+9, -9

Answer 7

2 answers

Answer 8

wich one should i put tho?

Answer 9

reread the question

Answer 10

ok i did

Answer 11

For any solution that involves two answers, type one answer separated by a comma and then the other answer

Answer 12

oh right