Quadratic Functions Quiz Review

What is the opening of the given quadratic function ?

(a)  

Tags

CCSS.HSF-IF.C.7A

• a = 2; b = 3; c = 4

• a = 2; b = -3; c = 4

• a = 2; b = -3; c = -4

• cannot be determined

What property of quadratic function that the arrow points to?

(a)  

Tags

CCSS.HSF-IF.C.7A

Which of the following is the correct formula in determining the vertex of the quadratic function?

• x=−b2ax=-\frac{b}{2a}

  x=−2a

  
  

  b

  ​

• x=−c2ax=-\frac{c}{2a}

  x=−2a

  
  

  c

  ​

• x=b2ax=\frac{b}{2a}

  x=2a

  
  

  b

  ​

• x=−b2cx=-\frac{b}{2c}

  x=−2c

  
  

  b

  ​

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Solve
x² + 13x + 12 = 0

• x = -1, x = -12
• x = -1, x = -24
• x = -2, x = -6
• x = -2, x = -12

Tags

CCSS.HSA-REI.B.4B