Quick picks on straight lines

Exercise and reference answers

Questions

1. Question

   The angle with the positive x-axis is the:

   Choices

   1. Inclination
   2. Declination
   3. Elevation

   Correct choice

   Inclination

2. Question

   Slope is written with the letter:

   Choices

   1. k
   2. m
   3. p

   Correct choice

   m

3. Question

   A vertical line has a slope that is:

   Choices

   1. Zero
   2. One
   3. Not defined

   Correct choice

   Not defined

4. Question

   Parallel lines have slopes that are:

   Choices

   1. Equal
   2. Opposite
   3. Reciprocal

   Correct choice

   Equal

5. Question

   Perpendicular slopes multiply to:

   Choices

   1. Plus one
   2. Minus one
   3. Zero

   Correct choice

   Minus one

Instructions

Tap the correct answer before the round moves on.

Explanation