math 116
posted by Carmen .
I thought I knew this stuff but now I'm starting to wonder. I've tried several times but I haven't been able to figure this out. there is also a diagram showing a water line where the y intercept is crossing over (0,12).
the question is
Q: what is the slope and the y intercept of y =  2/3x  12
A: slope equals:  2/3
the y intercept is: (0,12)
Q: how do you know this is the y intercept?
A: I don't know. this is what I got but it doesn't make sense....
because if I replace y with 3 then
x =  10 (3,10)
if i replace x with 3 then y = 14 (3,14) when placed on a grid they cross over y intercept at 12
what am i doing wrong?!!!
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