What is the side length of a square with an area of 144x²?

Question

A.12
B.12x
C.±12x
D.no solution

I think it is C...?

Answer 1

I would also go with C because:

(-12x)(-12x) = 144x^2
(12x)(12x) = 144x^2

Answer 2

Thank you...

Answer 3

It was wrong - it was B...thanks anyhow

Answer 4

You've got me stumped on this one too. I hope you understand why it's option B because I have no idea.

Answer 5

The square root of 144x is 12x

Answer 6

You are WRONG.

Answer 7

Cassie,
It is C unless the domain of x is restricted to positive values. In that case it is B.
The computer or teacher is incorrect based on the information shown here. Why? Well if x =-1, Choice B gives us side= 12*(-1) which is -12. A square cannot have a length of -12. Therefore we’d use -12x for negative values of x.
So it’s not a properly worded question which has led to all the confusion.

Answer 8

I dont understand

Answer 9

C would be correct if we weren't trying to find the length of a shape. but because the length of a side cannot be negative, the correct answer is B :)

Answer 10

Before all answers, it is B. Its B because.... well 144x^2 turns into (12x)(12x)
super simple smh.
1. C
2. D
3. B
4. B
5. C

Answer 11

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Answer 12

It’s B because it can’t be a negative

Answer 13

thank you soooo much everyone!! :D

Answer 14

im confused

Answer 15

ion know

Answer 16

Mrs Mendy shut up

Answer 17

the full answers are
1.c
2.d
3.b
4.b
5.c
6.b
7.a