SAT Math Practice Question #35715 - SATify | SATify
#35715
expressions
algebra
medium
70 sec
When the polynomial P(x)=5x2−3x+k is added to Q(x)=−2x2+7x−10, the sum is R(x)=ax2+bx+c. If R(1)=12, what is the value of k?
• 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.