Answer: pay attention to class
y = -4x - 5
Explanation:
find first differences of y:
-9 - (-13) = -4
-13 - (-17) = -4
find slope:
rise/run
-4/1 = -4
slope = -4
sub in x and y
y = mx+b
-9 = -4(1) + b
-5 = b
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