Parabolas in Factored Form

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts of the parabola?

y = ¼(x + 2)(x - 6)

• (-2, 0) and (6, 0)

• (2, 0) and (-6, 0)

• (-2, 6)

• (¼, 0) and (-2, 0) and (6, 0)

Tags

CCSS.HSF-IF.C.7A

State the direction of opening of the following: y = -(x+3)(x-2)

• Left
• Up
• Down
• Right

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the equation y=(2x-6)(x-5)?

• (0, 3)

• (0, 5)

• (0, 30)

• (30, 0)

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola is opening up or opening down by looking at the equation?

• The vertex tells you the direction of the opening
• It opens down if there is a negative sign in front of the first term

• All parabolas open upward
• All parabolas open downward

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts?

2(x + 5)(x + 1) = 0

• x = 0, 5, 1

• x = 0, - 5, -1

• x = 5, 1

• x = -5, -1

Tags

CCSS.HSA-REI.B.4B

All Parabolas contain a vertex, when it opens up, this point is called a what?

• Maximum
• Minimum

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

Tags

CCSS.HSG.GPE.A.2

Which point is an example of a y-intercept?

• (3,4)
• (-2,8)
• (0,4)
• (5,0)

Tags

CCSS.HSA.REI.D.10

Tags

CCSS.HSA.REI.B.4