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Marysya12 [62]
3 years ago
15

A direct variation function contains the points (–8, –6) and (12, 9). Which equation represents the function?

Mathematics
2 answers:
vodomira [7]3 years ago
8 0

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form \frac{y}{x}=k or y=kx

<u>With the point 1 or the point 2 find the value of the constant k</u>

<u>Point 1</u> (-8,-6)

x=-8

y=-6

substitute

\frac{y}{x}=k

\frac{-6}{-8}=k

k=\frac{3}{4}

therefore

the equation is

y=\frac{3}{4}x

<u>the answer is the option </u>

y=\frac{3}{4}x

strojnjashka [21]3 years ago
6 0
Y=3/4x, as the sign of the function does not change, and the y value is less than the x value
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