Discriminant and Factoring

Factor
k² - 2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

For the function below, is the discriminant positive, negative, or zero?___________y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

What is the discriminant of -2x² − x − 1 = 0

• 76

• -7

• 9

• none of these

Find the discriminant of the function 
x² - 5x = 0

• 25

• 21

• 1

• 29

• 369

• -271

What is the discriminant of this equation?

3x² + 8x = 0

• 64

• 52

• 9

• 0

Solve for the discriminant of the given equation -2x² -6x=0

• -36

• 36

• 0

• 44

What is the discriminant of

-2x² − x − 1 = 0 ?

• 76

• -7

• 9

• none of these

Find the discriminant of the following equation. (Hint: make =0 first!)
3x² -x + 3 = 5

• 5

• 25

• -24

• -26