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

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asked Nov 27, 2016 94.8k views

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Dirk Eschler · Answer 1 · 2016-12-01T18:59:45+0000

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'.

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

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