Question

Find the slope of XY: X(9. -4) and Y(9, 2)

Answer 1

undefined slope

Explanation:

m = slope = (y_2 - y_1)/(x_2 - x_1) = (-4 - 2)/(9 - 9) = -6/0

Since the calculation of the slope results in division by zero, and division by zero is undefined, the slope is undefined.