Finding Zeros of Quadratic Functions

What are the solutions of f(x) = x^2 - 4x + 3?

• x = 0, x = 4

• x = -1, x = 5

• x = 2, x = 2

• x = 1, x = 3

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the zeros of f(x) = 2x^2 + 3x - 5.

• x = 2 and x = -1.5

• x = 0 and x = -3

• x = 1.5 and x = -2

• The zeros are x = 1 and x = -2.5.

Tags

CCSS.HSA-REI.B.4B

Determine the roots of f(x) = x^2 + 6x + 9 using the quadratic formula.

• 3

• -3

• 0

• -6

Tags

CCSS.HSA-REI.B.4B

Find the solutions for f(x) = 3x^2 - 12x + 9.

• x = 3, x = 1

• x = 0

• x = 4

• x = 2

Tags

CCSS.HSA-REI.B.4B

What are the zeros of f(x) = x^2 - 2x - 8?

• 2, -4

• 4, -2

• 0, 8

• -1, 1

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Use the quadratic formula to solve f(x) = 5x^2 + 4x + 1.

• x = -2/5 ± (1/5)i

• x = 1/5 ± (3/5)i

• x = -4/5 ± (2/5)i

• x = -1 ± 2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Determine the solutions of f(x) = x^2 + 2x + 1.

• x = 0

• x = 1

• x = -2

• x = -1

Tags

CCSS.HSA-REI.B.4B

Find the roots of f(x) = 4x^2 - 16 using the quadratic formula.

• x = 2, x = -2

• x = 3, x = -3

• x = 1, x = -1

• x = 4, x = -4

Tags

CCSS.HSA-REI.B.4B

What are the solutions for f(x) = x^2 + 5x + 6?

• x = -4, x = -5

• x = -2, x = -3

• x = 1, x = 2

• x = 0, x = -1

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the zeros of f(x) = x^2 - 7x + 10.

• The zeros of the function are x = 5 and x = 2.

• x = -2 and x = 7

• x = 3 and x = 4

• x = 1 and x = 10

Tags

CCSS.HSA-REI.B.4B