Question

What is the solution to the inequality below?
x^2≤49
A)-7≤x≤7
B)-77 D)x≤-7 or x≥7

Answer 1

Really hard for me :(

Answer 2

ok so how do you get rid of the squared?

Answer 3

by squaring both sides

Answer 4

ok, so what do you have on the right side

Answer 5

7X7

Answer 6

wait...whats the opposite of squaring something

Answer 7

idk D:

Answer 8

square rooting

Answer 9

ohhh

Answer 10

but be careful about the plus or minus: heres an example