Quadratic Standard and Factored Form

The solutions to a quadratic equation are the....

• y-intercept

• x-intercepts

• vertex

Tags

CCSS.HSF-IF.C.7A

What are the linear factors of the function?

• (x+7) (x-9)

• (x-7) (x+9)

• (-7,0) (9,0)

• (0,-7) (0,9)

Tags

CCSS.HSA.APR.B.3

Identify the x-intercepts:

y= -3(x-5)(x+5)

• (-3,0) and (5,0)

• (5,0) and (-5,0)

• (5,0) and (0,5)

• (0,5) and (0,-5)

Tags

CCSS.HSF-IF.C.7C

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down

• min/ opens up

• max/ opens up

• min/ opens down

What is the axis of symmetry for this parabola?

• x = 2

• x = - 8

• x = -1

• y = -1

Tags

CCSS.HSF-IF.C.7A

What relationship does the vertex of a parabola always have with the x-intercepts?!

• It's the same as one of the numbers

• It's the average of the zeros

• It's the same as the y-intercept

• It's the maximum

Tags

CCSS.HSF-IF.C.7A

Find the zeros of the function:

y = x² + 10x + 24

• x = {4, 6}

• (x + 6)(x + 4)

• x = {- 4, - 6}

• x = {-12, 2}

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the vertex   y = (x - 5)(x - 1)

• (5, 1)

• (-5, - 1)

• (3, -4)

• (-3, 32)

What is the vertex of the function?

• (-3, -16)

• (3, 20)

• (-6, -7)

• (0, -7)

What are the x-intercepts of the parabola?
y = ¼(x + 2)(x - 6)

• -2 and 6

• 2 and -6

• -2

• ¼ and -2 and 6

Tags

CCSS.HSF-IF.C.7A