SAT Math Practice Question #15552 - SATify | SATify
#15552
functions
polynomials
graphs
hard
75 sec
Given the equation y=−x2+8x−5, which relates the variables x and y. For what value of x does the value of y reach its maximum?
• 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.