Question

5. Which expression shows the discriminant of the quadratic equation
4x28x = -21?
A. (8)2 - 4(4)(21)
C. (-8)2 - 4(4)(21)
B. (-8)2 - 4(4)(-21)
D. -(8)2 - 4(4)(21)​

Answer 1

Answer:

Here is your answer. .

A