Question

will someone check this?
If y varies directly as x, and y = -18 as x = -2, find y for the x-value of 20.
MY ANSWER::::
-2/-18=-20/x

-2x=-360

-360/-2

x=180

Answer 1

your second line is incorrect what is -18 *-20 ?

Answer 2

oh shoot. I typed in positive 20 to my calc XD

Answer 3

OH hold on - its the first line It is 20 not -20.

Answer 4

you got the right answer by making another mistake in line 2

- so the 2 errors cancelled each other out! lol!

Answer 5

that was a lucky solution!

Answer 6

so the answer is actually +180? and do you know anything about transformations? I only have 3 questions left and that's what they relate to.

Answer 7

i probably have time for just one...

Answer 8

okay. Thanks for your help though!

Answer 9

180 is correct answer.

Answer 10

yw

Answer 11

awesome :)