Unit 4 Remediation #1 - Intro. to Quadratics

Unit 4 Remediation #1- Intro. to Quadratics

​Valid to replace any Unit 4 Pt. 1 assignments in Backpack.

Multiple Choice

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• tangential

Fill in the Blank

Write Quadratic or Not Quadratic only.

5x² + 3x = 7

Multiple Choice

Determine the values of a, b, and c for the quadratic equation: 

x² − 6x + 14 = 0

• a=2 b=6 c=14

• a=1 b=6 c=14

• a=1 b=-16 c=14

• a=1 b=-16 c=-14

Multiple Choice

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

Multiple Choice

If given the equation

y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

Multiple Choice

Determine the values of a, b, and c for the quadratic equation: 

4x² – 8x = 3

• a=4 b=8 c=3

• a=4 b=-8 =3

• a=-4 b=-8 c=-3

• a=4 b=-8 c=-3

Multiple Choice

What is the vertex of

f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)

Multiple Choice

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

• y = -2

• x = 3

• x = -3

• y = 2

Multiple Select

Does the graph have a max or a min and what is the value? (Select 2 answers, look at the y-value)

• Max

• Min

• -1

• 1

Domain & Range

Multiple Choice

What is the domain of the graph?

• $$\left(-\infty,\infty\right)$$  

• I wasn't paying attention to what the last slide just said.

Multiple Choice

What is the range of the graph?

• $$\left(-\infty,\infty\right)$$

• $$\left(-\infty,0\right)$$

• $$\left(0,\infty\right)$$