SAT Math Practice Question #15553 - SATify | SATify
#15553
functions
polynomials
graphs
hard
75 sec
The equation y=3x2+15x−7 describes a relationship between the variables x and y. At what value of x does y achieve its minimum?
• 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.