Question

help anyone ? please

Answer 1

Answer:

-28

no real roots

Step-by-step explanation:

Answer 2

Answer:

1). discriminant = -28

2). There is no real roots because the discriminant is negative

Step-by-step explanation:

Discriminant  b²-4ac

To find discriminant

f(x) = -4x² + 10x - 8

b²-4ac = 10²- 4 * (-4) * (-8)

 = 100 - 128 = -28

Therefore the the discriminant = -28

To find the number of real roots

There is no real roots because the discriminant is negative.