MONDAY_Grade9_Activity

What is the term for the expression b^2 - 4ac in the quadratic formula?

• Quadratic term

• Linear term

• Constant term

• Discriminant

If a=1, b=5, and c=4, what is the value of the discriminant (b^2 - 4ac)?

• 25

• 16

• 9

• 41

What is the value of the discriminant (b^2 - 4ac) when a=4, b=4, and c=1?

• 16

• 0

• -16

• 4

Calculate the discriminant (b^2 - 4ac) if a=1, b=-2, and c=2.

• 4

• 8

• -4

• 0

If the discriminant (b^2 - 4ac) of a quadratic equation is negative, what can be said about its roots?

• The roots are real and equal

• The roots are rational and not equal

• The roots are irrational and not equal

• There are no real roots

What is the nature of the roots of the quadratic equation x^2 - 4x + 4 = 0?

• Real and equal

• Rational and unequal

• Irrational and unequal

• Imaginary

What is the discriminant of the quadratic equation x^2 + 7x + 10 = 0?

• 0

• 9

• 24

• -16

If the discriminant of a quadratic equation is a positive perfect square, what is the nature of its roots?

• Real and equal

• Rational and unequal

• Irrational and unequal

• Imaginary

What is the value of the discriminant for the quadratic equation x^2 + 6x + 3 = 0?

• 12

• 24

• 36

• 48

If the discriminant of a quadratic equation is 24, what can be said about its roots?

• They are real and equal

• They are real, rational, and unequal

• They are real, irrational, and unequal

• They are not real