Find the distance between two points given their coordinates.
-Find the distance between points R and S on a number line, with coordinates 8 and -7, respectively.
A) d(R, S) = -1
B) d(R, S) = 15
C) d(R, S) = -15
D) d(R, S) = 1

Question

Quizplus · Accepted Answer

The distance between two points on a number line is the absolute value of the difference of their coordinates. So, the distance between points R (8) and S (-7) is |8 - (-7)| = |8 + 7| = 15.

Find the Distance Between Two Points Given Their Coordinates