thatkilljoy8
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Find the slope of the line through each pair of points.

5) (-6,-11),(-20,16)
6) (-3,12),(-4,15)
7) (3,4),(4,1)
8) (10,0),(11,5)
9) (-4,-5),(11,-11)
10) (3,-12),(2,-2)
11) (-14,-11),(17,-20)
12) (-11,-5),(13,11)
13) (-19,-7),(4,4)
14) (4,12),(15,15)

Answer :

you can use this formula: (y1 - y2) / (x1-x2)

For example, using question 5, 

(-11-16)/ [-6-(-20)]
= -17/14

Given that it is a negative number, it would mean that the line is downward-sloping.

All the best!

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