Answer:
-4
Explanation:
(y2 - y1) / (x2 - x1)
Choose two points from the table and plug them into the equation.
(-4, -2) and (-2, -10)
(x1, y1) and (x2, y2)
Pick one to be 2, and the other to be 1.
(-10 - -2) / (-2 - -4) = (-8)/(2) = -4
The slope of this function is -4.