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

A. m=3h-24 B. m=3h+24 C. m=8h D. m=8h+8 please help me-example-1
User Sakinah
by
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1 Answer

2 votes
Formular for line graph is

y=mx+b

Find the gradient first

{ (y1-y2)/(x1-x2) } \\ \\ = { (0-80)/(0-10) } \\ \\ = { (-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.
User Mark Jerzykowski
by
8.1k points
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