# A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function? y = –3x y = – x/3 y = x/3 y = 3x

(2) Answers

(-9,-3) (-12,-4) use y2-y1/x2-x1=slope, (-4+3)/(-12+9)=1/3 y=x/3

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