Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l }
\text { slope-intercept } & \text { directly } & \text { slope } \
\text { jointly } & \text { parallel } & \text { perpendicular } \
\text { function } & \text { inversely } & \text { linear function }
\end{array}$$
-Two lines are--------------- if the product of the slopes is -1.
A) slope-intercept
B) perpendicular
C) parallel
D) jointly

Question

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l } 
\text { slope-intercept } & \text { directly } & \text { slope } \
\text { jointly } & \text { parallel } & \text { perpendicular } \
\text { function } & \text { inversely } & \text { linear function }
\end{array}$$
-Two lines are--------------- if the product of the slopes is -1.
A) slope-intercept
B) perpendicular
C) parallel
D) jointly

Quizplus · Accepted Answer

Two lines are perpendicular if the product of their slopes is -1. This is a fundamental property of perpendicular lines in Euclidean geometry.

Fill in the Blank with One of the Words or Phrases