SAT Math Practice Question #38129 - SATify | SATify
#38129
coordinate geometry
linear
hard
90 sec
A line in the xy-plane is perpendicular to the line with equation y=−31x+7 and passes through the point (6,−2). The equation y=px+r defines the line, where p and r are constants. What is the value of r ?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.
