SAT Math Practice Question #21142 - SATify | SATify
#21142
functions
quadratic equations
medium
120 sec
The function h is defined by h(x)=(x+7)(k−x), where k is a constant. In the xy-plane, the graph of y=h(x) passes through the point (15,0). What is the value of h(5) ?
• 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.