which of the following equations are proportional? y = 3x+4, y=2x, y=4x+4, y=4x+2

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02-10-2016
Mathematics

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which of the following equations are proportional? y = 3x+4, y=2x, y=4x+4, y=4x+2

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StrawberrySunshine StrawberrySunshine · Answer 1 · 2016-10-16T20:01:56+02:00

StrawberrySunshine StrawberrySunshine

16-10-2016

For an equation to be proportional, it must be linear and have no y-intercept. Automatically, you can say that the following arent proportional:
y = 3x+4
y=4x+4
y=4x+2
That leaves you with only y=2x

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