#3 - Quadratic Functions Key Features

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

What is the equation of the axis of symmetry?

• y = 0

• x = 0

• x = 3

• x = -3

Tags

CCSS.HSF-IF.C.7A

Find the vertex

• (2, -2)
• x = 2
• (-2, 2)
• (0, 4)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

Which of the statements about the graph is FALSE?

• The vertex is a maximum

• There are two zeros at x = -3 and x = 3

• The y-intercept is (0, 18)

• The range is y ≥ 18

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (3, 0) to the graph?

• It is the maximum point

• It is the vertex

• It is the y-intercept

• It is an x-intercept

Tags

CCSS.HSF-IF.C.7A

Which function has a vertex that is a minimum?

• 
• 
• 
• All of the above

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What was the maximum height of the ball? Choose the key feature and the answer choice.

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the vertex, 4 feet

• y-value of the vertex, 5 feet

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Where is a zero (x-intercept) found on a graph?

• Where the function crosses the y-axis.

• Where the function crosses the x-axis.

• On the top of the graph always.

• Not enough information to answer.

Where is a y-intercept found on a graph?

• Where the function crosses the y-axis.

• Where the function crosses the x-axis.

• On the top of the graph always.

• Not enough information to answer.