Unit 7 - Spring Final Exam Review

What is the domain of f(x) = x² - 4x + 4?

• f(x) ≥ 4

• All Real Numbers

• -2 ≤ x ≤ 2

• x ≥ 2

What is the domain of f(x) = x² + 8x + 12?

• x ≥ 12

• -6 ≤ x ≤ -2

• f(x) ≥ 12

• All Real Numbers

Which graph best represents a function with a range of all real numbers greater than or equal to 4?

• A

• B

• C

• D

Which graph best represents a function with a range of all real numbers less than or equal to zero?

• A

• B

• C

• D

Which quadratic function in vertex form can be represented by the graph that has a vertex at (-2, 5) and passes through (2, 9)?

• y = ¼(x+2)² + 5

• y = ¼(x-2)² + 5

• y = 4(x+2)² + 5

• y = 4(x-2)² + 5

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, 2) and passes through (-1, 10)?

• y = 2(x-3)² + 2

• y = ½(x-3)² + 2

• y = ½(x+3)² + 2

• y = 2(x+3)² - 2

Which function is best represented by this graph?

• f(x) = -x² - 6x + 8

• f(x) = x² + 6x + 8

• f(x) = x² - 6x + 8

• f(x) = -x² + 6x + 8

Which function is best represented by this graph?

• y = -½x² - 4x - 6

• y = ½x² - 4x - 6

• y = -½x² + 4x - 6

• y = ½x² + 4x - 6

The graph of a quadratic function is shown on the grid. What is the axis of symmetry?

• x = 0

• y = 2

• x = -4

• y = -6

The graph of a quadratic function is shown on the grid. What is the axis of symmetry?

• y = 4

• y = 0

• x = -4

• x = 2