SAT Math Practice Question #14233 - SATify | SATify
#14233
algebra
expressions
medium
20 sec
The expression (7x2+5)−(2x2−10) is equivalent to ax2+15, where a is a constant. 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.