SAT Math Practice Question #20366 - SATify | SATify
#20366
algebra
expressions
medium
90 sec
The expression 42a3−63a2 is equivalent to ra2(14a−21), where r is a constant. 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.
