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Which phrase best describes the graph of a proportional relationship

User Dgrandes
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2 Answers

1 vote
in proportional, it is y/x=k or y=kx
basically it is like y=mx+b, it is a line
User Jon Reeves
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3 votes

the complete question is

Which phrase best describes the graph of a proportional relationship?

A.a straight line passing through the origin

B.a straight line

C.a curve

D.not a straight line

we know that

A relationship between two variables, x, and y, represent a proportional relationship (direct variation) if it can be expressed in the form


(y)/(x)=k\\ or\\ y=kx

the equation
y=kx is a straight line passing through the origin with slope equal to k

therefore

the answer is the option

A.a straight line passing through the origin

User Petru Tanas
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7.7k points

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