Finding Extrema and X-intercepts of Quadratics

Find the roots/zeros of x² - 3x - 10

• -2, 5
• -5, 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Find the roots/zeros of x² - 2x - 24

• -6, 4
• -4, 6

Tags

CCSS.HSA-REI.B.4B

Find the roots/zeros of x² - x - 20

• -5, 4
• -4, 5

Tags

CCSS.HSA-REI.B.4B

Factor x² + 5x -14

• (x + 2)(x - 7)
• (x - 2)(x + 7)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the vertex of the parabola?

• (-1,0)

• (0,-3)

• (1,-4)

• (3,0)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which equation represents the axis of symmetry of the function y = -2x²+4x-6?

• y=1

• x=1

• x=3

• x=-3

What are the coordinates of the vertex of the graph of the function y=-x²+6x-11?

• (3,-2)

• (3,16)

• (-3,-29)

• (-3,-20)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

What's the axis of symmetry of y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Find the axis of symmetry of f(x)= -2x²-16x+3.

• x= 4
• x=-4
• y= 4
• y=-4