Review Questions for Test 10

What is the location of the vertex?
4x² - 24x + 20

• A
  (4 , 20)
• B
  (3, -16)
• C
  (-2 , 16)
• D
  (-5, 12)

• A
  -2x² + 12x - 4
• B
  -2x² - 12x + 4
• C
  2x² - 12x + 4
• D
  2x² - 12x - 4

What is the axis of symmetry?
-2x² + 12x - 6

• A
  x = 3
• B
  x = -6
• C
  x = 6
• D
  x = 2

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What is the vertex of this quadratic equation?

y = 2(x + 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

What are the root(s) for g(x) =3(x + 8)(x + 2)

• (8,0) (2, 0)

• (3, 0)

• (-8,0) and (-2,0)

• (0,-8) and (0,-2)

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

The lines graphed on the coordinate grid each represent an equation. Which ordered pair represents a solution to both equations?

• (2, 2)

• (0, 4)

• (0, 0)

• ((4, 0)

What is the domain of the graph?
Remember:  Domain is x

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these