Question

What is the solution set of |2x + 1| > 5?
A.
{x|1 < x < –3}
B.
{x|–1 < x < 3}
C.
{x|x > 2 or x < –3}
D.
{x|x < 2 or x > –3}

Answer 1

when
|a| > b

then a> b or a<-b

so what can u say for
|2x + 1| > 5
?

Answer 2

So do I solve it?

Answer 3

solve these :

2x+1 > 5 or 2x+1 < -5

Answer 4

ok

Answer 5

I got:
x >2

Answer 6

correct, what about
2x+1 < -5
?

Answer 7

x<-2

Answer 8

how?

Answer 9

2x+1<-5

2x+1-1 < -5-1

2x< -6

....

Answer 10

oops I did plus one on both sides

Answer 11

no problem :)
so what do u get finally ?

Answer 12

x<-3

Answer 13

thats correct, so which option ?

Answer 14

C

Answer 15

\(\huge \checkmark \)

Answer 16

Thanks soo much for helping me! your awsome!!

Answer 17

welcome ^_^
you too are awesome! :)

Answer 18

Thanks :)