Solving for Zeros

Use the Quadratic Formula to solve 2x² - 4x - 1 = 0

• x = 0.2

• x = -0.2

• x = -2.2

• x = 2.2

Tags

CCSS.HSA-REI.B.4B

Factor and Solve x² -11x + 24 =0

• x = -8

• x = 8

• x = 3

• x = -3

Tags

CCSS.HSA-REI.B.4B

Factor and Solve x² + 4x - 12 = 0

• x = 2

• x = -6

• x = 6

• x = -2

Tags

CCSS.HSA-REI.B.4B

Factor and Solve x² - 4 = 0

• x = 4

• x = 2

• x = -2

• x = -4

Tags

CCSS.HSA-REI.B.4B

Find zeros of 3x^3 - 27x

• x = -3 and 3

• x = -1, 0, 27

• x = -3, 0, 3

• x = -3, 1, 3

Tags

CCSS.HSF-IF.C.7C

Find all zeros of f(x) = 2x^3 + x^2 - 2x - 1.

• x = -1/2, -1 , 1

• x = -3, -1 , 1

• x = -1, 1/2 , 1

• x = -1, 1 , 2

Tags

CCSS.HSF-IF.C.7C

Find all zeros of g(x) = x^4 - 5x^2 + 4.

• x = -4, -2 , 1, 2

• x = -2, -1 , 1, 2

• x = -1, 0 , 1, 4

• x = -1, 1 , 2, 4

Tags

CCSS.HSF-IF.C.7C

If a polynomial has 2 factors, it will have 2 zeros (or 1 zero with a multiplicity of 2).

• True

• False

• 0 and 3

• 0 and -3

• no real solutions

• 9 and 3

• 9 and -3

• -3

• 3

• 15

• -15

• 2

• -2

• 0

• -45

• 45

Tags

CCSS.HSF-IF.C.7C