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tangare [24]
3 years ago
9

A. m=3h-24B. m=3h+24C. m=8hD. m=8h+8please help me

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0
Formular for line graph is
y=mx+b

Find the gradient first
{ \frac{y1-y2}{x1-x2} } \\ \\ = { \frac{0-80}{0-10} } \\ \\ = { \frac{-80}{-10} } \\ \\ = 8

Substitude the gradient to the formular

80=8(10)+b \\ \\ b=0

∴ m=8h is the equation of the graph.

Answer is C.
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