SAT Math Practice Question #11449 - SATify | SATify
#11449
coordinate geometry
slopes
linear
medium
35 sec
A line in the xy-plane has a slope of 21 and passes through the point (0,−1). 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.
