SAT Math Practice Question #37215 - SATify | SATify
#37215
systems
linear equations
medium
90 sec
Line L1 passes through the points (1,3) and (5,1). Line L2 passes through the points (2,−1) and (k,1). If L1 and L2 are perpendicular, what is the value of k?
• 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.