Which of the following equations is a direct variation? y=3X+2 y=5 y=2x y=8x+6

asked Jul 6, 2019 156k views

2 votes

Which of the following equations is a direct variation?

y=3X+2
y=5
y=2x
y=8x+6

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3 votes

$direct \: varition \: means \: y \alpha x \\ it \: becomes \: y = kx$
So y=2x is the only answer that fit y=kx, while k=2

QuantumSoup answered Jul 10, 2019

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