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25-11-2018
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What are the X- and Y-intercepts of y= -4x + 12 ?

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sherlockholmes1974 sherlockholmes1974

25-11-2018

The Y intercept is 12 because it doesn't change and doesn't have a varible attached.

To get the y intercept, you must make x=0.
Y=-4(0)+12
Y=12

To get the X intercept, Y=0.

0=-4x+12
Subtract twelve.
-12=-4x
Divide negative four.
3=x
The x intercept is 3.

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