Question

i think it is a or b but don't know fr sure

Which coefficient in the function tells us that the parabola for the function will point downward? y = -2x2 + 5x - 4
A. -2
B. 5
C. -4

Answer 1

the coefficient of x^2

Answer 2

??? since it is negative it opens DOWN

Answer 3

its A

Answer 4

\[y = ax^2 + bx + c\]The lead coefficient, 'a' tells you if it opens upward or down. If a is negative, it opens downward, and it its positive, it opens upward.

Answer 5

A. -2