Use the slope formula to determine the slope of the line containing the two points. (-4, -5) and (-8, -5)
A) 0
B) $\frac { 13 } { 8 }$
C) $\frac { 3 } { 8 }$
D) undefined

Question

Use the slope formula to determine the slope of the line containing the two points. (-4, -5) and (-8, -5) 
A) 0
B) $\frac { 13 } { 8 }$
C) $\frac { 3 } { 8 }$
D) undefined

Quizplus · Accepted Answer

The slope formula is $m = \frac{y_2 - y_1}{x_2 - x_1}$. Substituting the given points (-4, -5) and (-8, -5) into the formula gives $m = \frac{-5 - (-5)}{-8 - (-4)} = \frac{0}{-4} = 0$, indicating a horizontal line.

Use the Slope Formula to Determine the Slope of the Line