Choose a quadratic inequality that satisfies the following conditions. All the values of a, b, and c of the quadratic expression are negative, and the value of its quadratic expression is at most 20.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation: