SAT Math Practice Question #39129 - SATify | SATify
#39129
quadratic equations
graphs
coordinates
substitution
equations
algebra
hard
90 sec
Calculator OK
The graphs of the equations in the given system of equations intersect at the point (x,y) in the xy-plane.
x=21 y=4x3−2x2+6x−1
What is the value of y?
• 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.