Which phrase best describes the graph of a proportional relationship

Question

asked Oct 3, 2017 189k views

2 Answers

Petru Tanas · Answer 1 · 2017-10-10T04:11:34+0000

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