Quadratic Equations

Calculate the discriminant of the quadratic equation 4x^2 + 9x + 2 = 0.

• 1

• 49

• 0

• -49

What is the discriminant of the quadratic equation x^2 + 6x + 9 = 0?

• 36

• -6

• 0

• 9

Calculate the discriminant of the quadratic equation x^2 - 3x + 2 = 0.

• 3

• 1

• 4

• 2

Find the discriminant of the quadratic equation 2x^2 + 7x + 3 = 0.

• 25

• 0

• 10

• -25

Find the discriminant of the quadratic equation 2x^2 - 5x + 2 = 0.

• 1

• 4

• 16

• 9

Determine the discriminant of the quadratic equation 5x^2 + 2x + 1 = 0.

• -15

• 10

• 0

• -16

What is the discriminant of the quadratic equation 3x^2 + 4x + 1 = 0?

• -4

• 0

• 1

• 4

Which of the equations below is NOT a quadratic equation?

• 7x² + 8x – 5 = 0

• 4x³ – 2x + 5 = 0

• -3x² + 44x + 10 = 0

• 9x² = 0

A quadratic equation is an equation on a degree of _____.

• 1

• 2

• 3

• 4

Find the value of x in the quadratic equation x² – 144 = 0.

• 12

• -12

• 16

• -16