3/10/2017 Intervention Quadratics Quiz

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Tags

CCSS.HSF-IF.C.7A

A quadratic function has zeros (-7, 0) and (9, 0).
Which equation represents this function?

• f(x)= (x+7)(x-9)
• f(x)= (x-7)(x+9)
• f(x) = (-7,0)(9,0)
• f(x)=(0,-7)(0,9)

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4

Write an equation for a quadratic function that has zeros at (-3, 0) and (5, 0). 

• f(x) = (x-3)(x-5)
• f(x) = (x+3)(x+5)
• f(x)= (x+3)(x-5)
• f(x)= (x-3)(x+5)

Identify the zeros of the following function:
f(x)= (x-4)(x+3)

• 3 and -4
• (3,0) and (4, 0)
• (-3, 0) and (4, 0)
• (3, 0) and (-4, 0)

Tags

CCSS.HSF-IF.C.7C

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What is the range of this function?

• All real numbers.
• All real numbers greater than or equal to 0.
• All real numbers greater than or equal to -2.
• All real numbers greater than or equal to 2.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Use the graph to determine the solutions.
*Hint: Solutions = roots = zeros = x-intercepts

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11