Question

Solve |2y - 2| = 15

Answer 1

2y-2=15 or 2y-2=-15
solve both for y

Answer 2

8.5

Answer 3

i thought you cant have an abosolute value that = to a negative number?

Answer 4

we have
|something|=positive

Answer 5

not |something|=negative

Answer 6

but you wrote or 2y-2=-15

?

Answer 7

\[2y=17 => y=\frac{17}{2}\]

\[2y=-13 => y=\frac{-13}{2}\]

i wrote that because we have|something|=positive
gives us two cases

Answer 8

oh ok but if it is

|something| = negative

then we have no soloution right?

Answer 9

right!

Answer 10

thanks for that was abit confused

Answer 11

tomas yes you can probably have several
i know for a fact you can have two
i don't think there is a limit

Answer 12

|f(x)|>=0
so thats why |f(x)| can not have negative output

Answer 13

ok thanks :)