Answer:
y = 9x
Explanation:
First find the slope
m = (y2-y1)/(x2-x1)
= (0-9)/(0-1)
-9/-1
9
The y intercept is 0 since the y value is 0 when x=0
The slope intercept form is y = mx+b where m is the slope and b is the y intercept
y = 9x +0
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