Match each line to its slope

Exercise and reference answers

Matching pairs

1. Left

   The x-axis

   Right

   Slope of zero

2. Left

   The y-axis

   Right

   Slope not defined

3. Left

   Parallel pair

   Right

   Slopes that are equal

4. Left

   Perpendicular

   Right

   Slopes multiplying to minus one

Instructions

Tap a line, then tap what its slope is.

Explanation