Which of the following is a direct proportion? A. y=7x B. y=x+7 C. y=7x−7 D. y=7
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First, you should solve both equations for the same variable. Since the first one is already solved for y, solve the second equation for y as well.
6y = 2x + 6 Divide both sides by 6
y =
x + 1
You can see that both lines have a slope of.
Lines that have the same slope are parallel lines.
6y = 2x + 6 Divide both sides by 6
y =
You can see that both lines have a slope of
Lines that have the same slope are parallel lines.