Question

http://i.imgur.com/TdXpCTx.png

it says select the "two equations" i dont know what the other one is.

Answer 1

@ganeshie8

Answer 2

modulus requires to positive and negative solutions

Answer 3

so my answers are a and b?

Answer 4

like |x|<1 means x has solutions x<1 and x<-1

Answer 5

yep neat

Answer 6

wait

Answer 7

When we have absolute values, we get two solutions, so we have \[-(2x-8)<4 ~~~~\text{and}~~~~(2x-8)<4\]

Answer 8

a and c yeah they did something funny there

Answer 9

follow @iambatman solutions

Answer 10

im confused af

Answer 11

haha, \[-(2x-8)<4 \] is also the same as \[2x-8>-4\]

Answer 12

when you divide by a negative we usually switch the sign

Answer 13

perhaps iambatman will give you a clearer explanation

Answer 14

http://i.imgur.com/RJf4aGR.png

so those r my answers?

Answer 15

this is essentially what you need to know when you see absolute values