Unit 8 Test Corrections

A quadratic function is graphed on the grid. Which answer choice best represents the domain and range of the function?

A graph of a quadratic function is shown on the grid. Fill in the blanks in the statement below to create a true statement about the quadratic.

"The function has a _________ value of ____.

(a)  

Which quadratic function in Vertex form can be represented by the graph that has a vertex at (5,-1) and passes through the point (7,1)?

The graph of a quadratic function is shown. Which values best represent the zeros of the function? Select TWO answers.

The graph of a quadratic function is shown on the grid. Which statements are best supported by the graph?

1. 1. The x-intercept is located at (-2,0).

2. 2. The coordinates of the y-intercept are (0,-4).

3. 3. The axis of symmetry is x = -2.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, and 3

The graph of a quadratic function is shown on the grid. Which answer choice best represents the intercepts of the graph?

• x-intercept: (-8,0)

  y-intercepts: (0,-2) and (0,4)

• x-intercept: (0,-8)

  y-intercepts: (-2,0) and (4,0)

• x-intercepts: (0,-2) and (0,4)

  y-intercept: (-8,0)

• x-intercepts: (-2,0) and (4,0)

  y-intercept; (0,-8)

The graph of a function is shown below. Which of the following is true about the vertex and the axis of symmetry?

• The vertex is (-4,3) and the axis of symmetry is x = -4.

• The vertex is (3,-4) and the axis of symmetry is x = 3.

• The vertex is (3,-4) and the axis of symmetry is x = -4.

• The vertex is (-4,3) and the axis of symmetry is x = 3.

The graph provided has three points that are on a quadratic function. What is the axis of symmetry?

A projectile is launched into the air. The table shows the height of the projectile after x seconds. Which value best estimates the height of the projectile after 50 seconds?

• 2499 feet

• 3000 feet

• 2300 feet

• 2400 feet