Write an equation in slope-intercept form of the line that passes through (7, 2) and (2, 12)

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01-12-2017
Mathematics

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Write an equation in slope-intercept form of the line that passes through (7, 2) and (2, 12)

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dannielle dannielle · Answer 1 · 2017-12-01T20:22:02+01:00

dannielle dannielle

01-12-2017

y=ax+b
for x=7, y=2
7a+b=2

for x=2, y=12
2a+b=12

7a-2a+b-b=2-12
5a= -10
a= -10/5
a=-2
2a+b=12
2*(-2)+b=12
-4+b=12
b=12+4
b=16
y=-2x+16

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masonlindseygd masonlindseygd · Answer 2 · 2020-12-08T19:14:08+01:00

masonlindseygd masonlindseygd

08-12-2020

The straight answer:

y = -2x + 16

The answer below me is very detailed but doesn't show the answer clearly, so I helped.

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