Use the slope formula to find the slope. (Hint: To learn the formula, write the complete formula each time you use it.) $( - 2,9 ) \text { and } ( 2,9 )$
A) 9
B) 0
C) 10
D) 8
E) undefined

Question

Quizplus · Accepted Answer

The slope formula is: $m = \dfrac{y_2 - y_1}{x_2 - x_1}$. Substituting the given coordinates, we get $m = \dfrac{9-9}{2-(-2)} = \dfrac{0}{4} = 0$. Therefore, the slope is 0.

Use the Slope Formula to Find the Slope (−2,9) and (2,9)( - 2,9 ) \text { and } ( 2,9 )(−2,9) and (2,9)

Use the Slope Formula to Find the Slope $( - 2,9 ) \text { and } ( 2,9 )$