SAT Math Practice Question #33164 - SATify | SATify
#33164
slopes
coordinate geometry
hard
75 sec
Line L1 is parallel to the line defined by y=−4x+7. Line L2 is perpendicular to line L1 in the xy-plane. What is the slope of line L2?
• 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.