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Sophie [7]
3 years ago
14

Write the equation of the line, in slope intercept form, through the following points:

Mathematics
1 answer:
lakkis [162]3 years ago
8 0

Hey!

------------------------------------------------

First, find the slope.

y2-y1/x2-x1

-20-(-5)/21-16

-15/5

-3

------------------------------------------------

Second, find the y-intercept.

We can solve for b with one of the points.

Put into slope-intercept form,

y = -3x + b

Substitute x and y with (16, -5)

-5 = -3(16) + b

-5 = -48 + b

-5 + 48 = -48 + b + 48

43 = b

------------------------------------------------

Third, put in slope-intercept form.

y = mx + b

m = slope

b = y-intercept

y = -3x + 43

------------------------------------------------

Hope This Helped! Good Luck!

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