A1 - Quadratic Functions Interesting Items

Which graph best represents part of a quadratic function with a domain of all real numbers less than -4?

• Graph A

• Graph B

• Graph C

• Graph D

The graph of f is shown.

Which of these best represents the domain of f?

• All real numbers

• All real numbers less than −3 or greater than 2

The table shows some ordered pairs that belong to quadratic function h. What is the range of h?

• All real numbers

• All real numbers greater than or equal to −7

• All real numbers greater than or equal to −8

• All real numbers greater than or equal to 0

Which quadratic function in vertex form can be represented by the graph that has a vertex at (1, 46) and passes through the point (3, 10)?

The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground. Which function is best represented by the graph of this situation?

The graph of a quadratic function is shown on the grid. Which function is best represented by this graph?

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

• x = 1

• x = 3

• x = -1

• x = 0

• x = -4

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

• x-intercept: (5, 0) y-intercepts: (0, 10) and (0, –2)

• x-intercepts: (0, –10) and (0, 2) y-intercept: (–5, 0)

• x-intercept: (0, 5) y-intercepts: (10, 0) and (–2, 0)

• x-intercepts: (–10, 0) and (2, 0) y-intercept: (0, –5)