Question

help?
I don't understand how to do this :(
Solve: 4|x| = 32

A.
–8 or 8

B.
24

C.
No solution

D.
8

Answer 1

I know it's 8 but I don't know if its D or A

Answer 2

first thing you need to do is divide both sides by 4 to get the absolute value alone. When you divide 32 by 4 what do you get?

Answer 3

8

Answer 4

ok, then the way you solve absolute value equations is to rid yourself of the abs value signs, but when you do, you have the positive value of 8 as an answer and you also have the negative value of 8 as an answer because what this means is that you are 8 units away from the origin, and 8 units goes either way, negative or positive. So the answer is A.

Answer 5

oh ok thanks :)

Answer 6

you bet!

Answer 7

TY for the medal!

Answer 8

np you deserve it :) can you help me with one more?

Answer 9

i can try!

Answer 10

Solve.

http://static.k12.com/bank_packages/files/media/mathml_18fbbe11e155be4c0f449092447c21a9df696f8f_1.gif

A.
No solution

B.
–2 or 2

C.
–72 or 72

D.
72

Answer 11

begin by ridding yourself of the denominator of -6. How would you do that? If this were a "regular" equation with no abs value signs, how would you do that?

Answer 12

so before I do this, there will be no "-6" and no "|"?

Answer 13

let's pretend the equation looks like this for a minute:\[\frac{ x }{ -6 }=-12\]how would you move the -6? By doing what with it (other than throwing it out with the trash).

Answer 14

I would love to toss it but Im not good at this and I want to say -6x = -12

Answer 15

you would multiply both sides by -6 to get x = (-6)(-12). What is x then?

Answer 16

1 and 0.5?

Answer 17

@Venny

Answer 18

I dont understand what x is :(