Find the distance between two points given their coordinates.
-Find the distance between points P and Q on a number line, with coordinates 3 and 10, respectively.
A) $d ( P , Q ) = - 13$
B) $d ( P , Q ) = 13$
C) $d ( P , Q ) = - 7$
D) $d ( P , Q ) = 7$

Question

Find the distance between two points given their coordinates.
-Find the distance between points P and Q on a number line, with coordinates 3 and 10, respectively. 
A) $d ( P , Q ) = - 13$
B) $d ( P , Q ) = 13$
C) $d ( P , Q ) = - 7$
D) $d ( P , Q ) = 7$

Quizplus · Accepted Answer

The distance between two points on a number line is the absolute value of the difference between their coordinates, so $d(P, Q) = |10 - 3| = 7$.

Find the Distance Between Two Points Given Their Coordinates d(P,Q)=−13d ( P , Q ) = - 13d(P,Q)=−13

Find the Distance Between Two Points Given Their Coordinates $d ( P , Q ) = - 13$