8.1-8.4 Quadratic Functions Quiz

Does this function have a maximum or minimum?

• maximum

• minimum

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x³ - 4x² + 5

• f(x) = 3x + 5

What are the green dots called?

• solutions

• x-intercepts

• zeros

• roots

Tags

CCSS.HSF-IF.C.7A

Does the equation open or or down?

y = -3x² +7x - 2

• up

• down

Tags

CCSS.HSF-IF.C.7A

What is the DOMAIN of the graph?

• All real numbers

• [0, ∞)

• y ≥ 0

• (-∞, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the green dashed line called?

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

Tags

CCSS.HSF-IF.C.7A

Which ordered pair represents one of the roots of the function f(x)=2x²+3x-20?

• (-2.5,0)
• (-4,0)
• (-5,0)
• (-20,0)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.HSA.REI.B.4