Quadratics Quiz Review

What is the vertex of this parabola?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

What is the green dashed line called?

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

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

• y = -2
• x = 3
• x = -3
• y = 2

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Solve by quadratic formula:

k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5
• -40, -1
• 5, 8
• -8, -5

Solve
m² +7 = 88

• ±81
• ±9
• ±3
• No real solution

Solve using Zero-Product Property.
(2x-2)(5x-5) = 0

• x = -1
• x = -1 or x = 1
• x = 1

If the discriminant is positive, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

What's the vertex of the following quadratic function?
2x² - 8x + 11

• (-2, 3)
• (3, 2)
• (2, 3)
• (3, -2)