SAT Math Practice Question #21143 - SATify | SATify
#21143
functions
quadratic equations
medium
120 sec
The function f is defined by f(x)=(x−9)(c−x), where c is a constant. In the xy-plane, the graph of y=f(x) passes through the point (10,0). What is the value of f(0) ?
• 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.
