Which equations show direct variation between x and y? Choose all answers that are correct. a 3x=7 b y=4.2/x c y/x=6 d y=0.5x +
9
1 answer:
a). No. Variation in 'y' has no effect on 'x'.
b). No. Variation in 'x' has exactly the opposite effect on 'y'.
c). Yes. Variation in 'x' causes 'y' to vary 6 times as much in the same direction.
d). No. Doubling 'x' does not double 'y'.
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8.57 for the first one and, I’m not sure a bout the second time though
(m-21) (m+1)there I thinks it's right unless I messed up my work
I don't know but I think it is B) The slope is negative, and a linear model is a good fit for the data.
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