CFA - UNIT 8

Consider the graph of a quadratic function on the coordinate plane. Which characteristics best describe the function?

• A) intercepts at (−1, 0), (0, 2), and (2, 0); maximum between x = 0 and x = 1

• B) intercepts at (−1, 0), (0, 2), and (2, 0); maximum between x = 2 and x = 3

• C) intercepts at (0, −1), (0, 2), and (2, 0); maximum between x = 0 and x = 1

• D) intercepts at (0, −1), (0, 2), and (2, 0); maximum between x = 2 and x = 3

Tags

CCSS.HSF-IF.C.7A

• f(x) > 0

• f(x) < 0

• f(x) = 0

• A downward opening parabola

• An upward opening parabola

• A straight line

• A circle

Tags

CCSS.HSF-IF.C.7A

Which graph represents a quadratic function with a minimum point? A or B?

• A

• B

Tags

CCSS.HSF-IF.C.7A

Describe the vertex and axis of symmetry for the quadratic function shown in Graph A.

• The vertex is at (h, k) and the axis of symmetry is x = h.

• The vertex is at (0, 0) and the axis of symmetry is x = 0.

• The vertex is at (a, b) and the axis of symmetry is x = a.

• The vertex is at (x, y) and the axis of symmetry is y = x.

The maximum height the ball reaches is (a)   feet.

• 6

• 16

• 96

• 234

A quadratic function is graphed in the coordinate grid. Which equation matches the function in the graph?

Tags

CCSS.HSF-IF.C.7A

Miranda graphed a quadratic function. What is the minimum value of the function?

• -17

• -16

• -15

• -1

Tags

CCSS.HSF-IF.C.7A

Sam draws the graph shown in her notebook. What is the domain of this function?

• A) x ≥ 5

• B) x ≥ 7

• C) x ≥ 1

• D) All real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• A) all real numbers