Question

Which of the following values of x is in the solution set of 2|x + 4| > 14?
A.
x = 0
B.
x = 1
C.
x = –3
D.
x = –12

Answer 1

\(\large {2|x + 4| > 14\implies |x + 4| \cfrac{\cancel{ 14 }}{\cancel{ 2 }}
\\ \quad \\
|x+4|>7\to
\begin{cases}
+(x+4)>7
\\ \quad \\
-(x+4)>7
\end{cases} }\)

Answer 2

thats wrong too ._.

Answer 3

lol we both messed up XD

Answer 4

so you were wrong chucho?

Answer 5

mhmm :C

Answer 6

still working on it tho

Answer 7

So how do you solve it then!

Answer 8

you'd solve each case or scenario, thus 2 scenarios, thus 2 values for "x"

I don't see anything wrong above though

Answer 9

one sec almost done

Answer 10

Got it! :D

Answer 11

you ready for my awesome explanation? Replace X with one of the numbers, and check if its true!

Answer 12

2[-12+4>14
2*8
16>14

Answer 13

Uhhh I'm lost Chucho!

Answer 14

kk lemme explain slower

Answer 15

does this help? just go from top to bottom :3

Answer 16

Yeah, but thats not one of the answers???