Find Zeros of a Function

Which statement about f(x)= -x²-5x+24 is true?

• The zeros are 8 and 3, because f(x)= -(x-8)(x-3)

• The zeros are 8 and -3, because f(x)= -(x-8)(x+3)

• The zeros are -8 and 3, because f(x)= -(x+8)(x-3)

• The zeros are -8 and -3, because f(x)= -(x+8)(x+3)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the roots/zeros of x² + x - 2

• -1, 2

• -2, 1

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² + 4x - 21

• -7, 3

• -3, 7

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - 25

• -4, 4

• -5, 5

Tags

CCSS.8.EE.A.2

Find the zeros of this quadratic.

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Find the x-intercepts, y-intercept, and vertex of the following graph:

• x-intercepts -3 and 3, y-intercept 1, vertex is (4, -1)

• x-intercepts -1 and 1, y-intercept 3, vertex is (-1, 4)

• x-intercepts -1 and 3, y-intercept -3, vertex is (1, -4)

• x-intercepts 1 and 3, y-intercept -3, vertex is (-4, 1)

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

f(x)=(x+4)(x-3)(x-2)

List the zeros for this function.

• x=-4, x= -3, x=-2

• x=-4, x=3, x=2

• x=-4, x=3, x=2

• x=4, x=3, x=2

Tags

CCSS.HSF-IF.C.7C

Which of these equations has zeros at 4 and -3?

• f(x) = x² + x - 12

• f(x) = x² - x + 12

• f(x) = x² - x - 12

• f(x) = x² + x + 12

Tags

CCSS.HSA.APR.B.3