A7a Key Features

The graph of a quadratic function is shown on the grid. Which statement appears to be true?

• The function has 1 zeros.

• The y-intercept of the function is (1,0).

• The graph has a minimum at 5

• The equation of the axis of symmetry of the graph of the function is x = 2.

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A7A

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

• x = -1

• x = 3

• x = 1

• x = -4

• x = 0

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A7A

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)

Which graph best represents h(x) = (x + 1)(x – 3)?

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A7A

Two characteristics of quadratic function g are given:

- The axis of symmetry of the graph of p is x = -4 .

- Function g has exactly two zeroes.

Based on this information, which graph could represent g?

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A7A

A quadratic function h can be used to model the height in feet of a golf ball from the ground t seconds after it was launched.

The graph of the function is shown. What is the maximum value of the graph of the function?

Mathematical Equivalence

ON

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A7A

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A7A

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

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

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

III. The axis of symmetry is x = -1.

• I and II only

• I and III only

• II and III only

• I, II, and III

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A7A

Which graph best represents a quadratic function that has only one zero?

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A7A

A graph of a quadratic function is shown on the grid. Which coordinates best represent the vertex of the graph?

• (0, -2)

• (-1, -5)

• (-2.291, 0)

• (0.291, 0)

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A7A