Answer:
Option 3 (-3/4)
Explanation:
To find the slope of a line, you find the change in y and divide it by the change in x:
5 - (-4) 9
--------- = ------
-2 - 10 -12
If you simply 9/-12 (they both go into the number 3), you get -3/4
-3/4
(-2,5) (10,-4) <-y2-y1 / x2-x1 is the equation
-4-5 -9 -9
---------- = --------- = -------- <-simplify this
10-(-2) 10+2 12
-9/3=-3
12/3=4
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