Question 3 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY
Nina knows that the average of the x -intercepts represents the line of symmetry for a quadratic function through the x -axis. Which equation represents the average of the x -intercepts for f of x is equal to 4 x squared minus 24 x plus 20 ?
Answer
A
the fraction with numerator 1 plus 5 and denominator 2 is equal to 3
B
the fraction with numerator negative 10 minus 2 and denominator 2 is equal to negative 4
C
the fraction with numerator negative 5 minus 1 and denominator 2 is equal to negative 3
D
the fraction with numerator 2 plus 10 and denominator 2 is equal to 4