SAT Math Practice Question #20677 - SATify | SATify
#20677
algebra
quadratic equations
medium
90 sec
The given equation relates the variables x and y. y=−x2+8x−10 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.