Quad Test Most Missed

What are the zeros of the function
 y = (x - 2)(x + 4)

• -2 and -4
• -2 and 4
• 2 and -4
• 2 and 4

What are the factors of 
x² + 16x + 63

• (n −7)(n +4)
• (n +7)(n −9)
• (n −3)(n −10)
• (n +7)(n +9)

What is the x-value of the vertex for the quadratic equation shown below? 
y = 4x² - 8x + 9

• x = - 8
• x = 1
• x = - 1
• x = 2

The shape of the graph of a quadratic function is a _________________. 

• Parabola
• Line
• Vertex
• y = x

The graph shows the height of a basketball from the time it is thrown from the top of a building to the time it hits the ground. What is a reasonable range for this situation?

• R: { 80 ≦ y ≦ 144}
• R: { y ≦ 144}
• R: { 0 ≦ y ≦ 144}
• R: { 0 ≦ y ≦ 5}

The x- intercepts of a quadratic function are also called the zeros, solutions, and ________. 

• Roots
• Line
• Vertex
• Y - Intercepts

Determine which of the following represents a TRUE statement about the following quadratic formula. 
f(x) = 2x² + 14x - 24

• The graph opens upward and has a minimum point
• The graph opens downward and has a minimum point
• The graph has an axis of symmetry at x = 3
• The graph opens upward and has a maximum point

Which expression is equivalent to: 
18a²-15a

• 15a(3a-1)
• 3a(6a-1)
• 3(6a-5)
• 3a(6a-5)

The maximum or minimum point of the quadratic graph is also called the _______.

• Vertex
• Axis of Symmetry
• Parabola
• Domain

What is the domain and range of the following quadratic function? 

• Domain: {-6 ≤ x ≤ 2}
  Range: {-3 ≤ y ≤ 5}
• Domain: { -∞ < x < ∞}
  Range: {-3 ≤ y ≤ 5}
• Domain: { -∞ < x < ∞}
  Range: { -3 ≤ y ≤  ∞}
• Domain: { -∞ < y < ∞}
  Range: { -3 ≤ x ≤  ∞}