using the slope formula find the slope of the line through the points (0,0) and (2,6) use pencil and paper explain how you can use mental math to find the slope of the line

y = - 6

step-by-step explanation:

given the point (- 2, y) lies on the graph then it is a solution of it's equation.

substitute x = - 2 into the equation for value of y

y = 3(- 2) = 3 × - 2 = - 6

the point on the graph is (- 2, 6)

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step-by-step explanation:

b

step-by-step explanation:

the word superfluous means unnecessary