Determine Whether the Line Through the Points $P ( 40,18 ) , Q ( 26,20 )$

question 43

Multiple Choice

Determine whether the line through the points $P ( 40,18 ) , Q ( 26,20 )$ and the line through $R ( 20,9 )$ , $S ( 13,10 )$ are parallel, perpendicular, or neither.

• A) neither
• B) perpendicular
• C) parallel