SAT Math Practice Question #31800 - SATify | SATify
#31800
equations
formulas
completing the square
graphs
functions
quadratic equations
algebra
hard
180 sec
The graph of a quadratic function y=ax2+bx+c has its vertex at (3,−5). If the graph also passes through the point (1,3), what is the value of a?
• 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.