Question

Find the solution to x2 = 121.

Answer 1

Is the x raised to the power of 2?

Answer 2

yes

Answer 3

Alright, so how do you "undo" a square?

Answer 4

$$\huge x^2=121$$ means what number(s) multiplied by themselves equal 121?

Answer 5

If \[2^{2}=4 \]what does \[\sqrt{4}=?\]

Answer 6

16?

Answer 7

wait, 2?

Answer 8

Yes, 2, so if we apply that method to the 121, what do you get?

Answer 9

$$\huge x • x = 121$$

Answer 10

10 • 10 = ?

12 • 12 = ?

Answer 11

OHHH SO It's 11?

Answer 12

Yes, that is one of them.

What is the other?

Answer 13

There should only be answer. And mines is positive 11

Answer 14

a. ±121


b. -11


c. ±11


d. 11

Answer 15

What about –11 times –11?

Answer 16

-22?

Answer 17

That's plus.

Answer 18

x^2 means x times x.

Answer 19

okay so what is the answer 11 ? since that equals 121...

Answer 20

There are two answers that will make $$\huge x^2 = 121$$ a true statement.

Answer 21

Omg but there needs to be only one answer for this question........

Answer 22

11(11) = 121
-11(-11) = 121

Answer 23

$$\huge x= \pm11$$

Answer 24

There is only one answer to this question.

That answer has two numbers: +11 and –11