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Given points P(–2, 7) and Q(4, y) in a coordinate plane, for what value of y is the slope of the line through P and Q equal to -3/2?

 Jun 2, 2020
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The slope of -3/2 means that for every 3 you go down in the plane, you go to the right 2. To get from -2 to 4 for x, you need to move right 6, so you need to move down 9 to stay on the line described, which will bring you to the point (4, -2). So,

 

y = -2

Hope this helps!

 Jun 2, 2020

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