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How can you tell if an equation is proportional or not?

a) It is written in the form y=kx.
b) It is written in the form y=mx+b.
c) The slope in the equation will be positive.
d) The slope in the equation will be zero.

1 Answer

6 votes
A is the answer because, for each point (x, y) on the graph ΕΎ is equal to k.
User Xrender
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