SAT Math Practice Question #20393 - SATify | SATify
#20393
coordinate geometry
linear
medium
90 sec
Calculator OK
Line k is defined by y=−4x+10. Line j is perpendicular to line k in the xy-plane. What is the slope of line j?
• 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.
