Quadratics Remediation

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

• x=-8
• x=1
• x=-1
• x=2

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

• y = -2
• x = 3
• x = -3
• y = 2

What is the domain of the function?

• x≥3
• x≤3
• All real numbers
• -1≤x≤5

What is the range of the function?

• y≤3

• y≥3

• All real numbers

• -6≤y≤3

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What is the vertex of this parabola?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

Identify the vertex of the parabola. 

• (4,-1)
• (-1,4)
• (0,5)
• None

What is the green dashed line called?

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

What is the range of the function?
*Hint: Range is all of the y-values included in the function. 

• y≤3
• y≥3
• All real numbers
• -6≤y≤3