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What is the slope of the line containing (-2,5) and (4,-4)?A.3/2B.-3/2C. -2D. 2

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5 votes

Answer:

B.-3/2

Explanation:

To find the slope, we need to take two points from a line. I am going to call them:

(x1,y1) and (x2,y2).

The slope is:


a=(y2-y1)/(x2-x1)

In this question:

(x1,y1) = (-2,5)

(x2,y2) = (4, -4)

So


a=(y2-y1)/(x2-x1)=(-4-5)/(4-(-2))=(-9)/(4+2)=-(9)/(6)=-(3)/(2)

So the correct answer is:

B.-3/2

User Lego
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