U6T1 Quadratics In Class Review

Does the parabola open up or down?

 $y=3x^2-2x-9$  

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

Tell whether the quadratic function has a maximum or a minimum.

y = 2x²+x-8

• Maximum

• Minimum

What is the vertex?

 $y=-2x^2-12x-19$  

• (-3, -1)

• (3, -73)

• (-2, -12)

• (-12, -19)

What is the axis of symmetry?

 $y=-2x^2-12x-19$  

• x = -3

• x = 3

• x = 1

• x = -1

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2
• maximum: 2
• minimum: 5
• maximum: 5

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2 and x = -2

Tags

CCSS.HSF-IF.C.7A

Choose all true statements about the graph.

• The solutions are -2 and 2.

• The vertex is (-4, 0)

• The axis of symmetry is x = 0

• The minimum is -4.

• The zeros are 0 and -4

Tags

CCSS.HSF-IF.C.7A

Solve the quadratic function.

(x+9)(x-1)=0

• x = -9, 1

• x = 9, -1

• x = 1, 0

• x = 0

Tags

CCSS.HSA-REI.B.4B

Which function has 3 and 0 as its roots?

• y = x(x-3)

• y = (x+3)²

• y = (x-3)²

• y = x(x+3)

Tags

CCSS.HSF-IF.C.7C

Solve by factoring.

 $x^2+13x+40=0$  

• x = 13, 40

• x = -5, -8

• x = 5, 8

• x = 4, 10

Tags

CCSS.HSA-REI.B.4B