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The straight line PQ with a slope of -2 passing through point (-3, 10). Find the y-intercept of the straight line PQ . 

 Aug 3, 2020
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The slope intercept equation is in the form y=mx+b. We already know the slope so we have y=-2x+b. Then we plug in the point (-3, 10) to find b, the y-intercept.

 

y=-2x+b

10=-2(-3)+b

10=6+b

b=4

 

So the y intercept of line PQ is (0, 4).

 Aug 3, 2020

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