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EASY 22 Point..Just need help Solving and explaining!

EASY 22 Point..Just need help Solving and explaining!-example-1

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The green box with the question mark in it is the slope of the line.

The slope is the change in Y over the change in X:

The change in Y = 0-22 = -22

The change in X = 3 - -8 = 3+8 = 11

The slope becomes : -22 / 11 = -2


The green box after the + sign is the y-intercept.

To find the Y-intercept use y = mx +b

b is the y intercept.

m is the slope.

Replace y and x with the coordinates of the first point and solve for b:

22 = -2(-8) + b

Simplify:

22 = 16 + b

b = 22-16

b = 6

The y-intercept = 6


The final equation becomes: y = -2x +6

User Agy
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