Quadratic Functions Key Features Graph

What are the zeros of the function? Choose all that apply.

• x = 0

• x = -3

• x = -6

• y = 18

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Find the decreasing interval

• x>-2

• x<-2

• x>2

• x<2

Tags

CCSS.HSF-IF.C.7A

Find the increasing interval

• x>-1

• x<-1

• x<4

• x>-4

Tags

CCSS.HSF-IF.C.7A

Define Solution

• The highest y-value on the graph

• Where the parabola touches or intersects the y-axis

• The highest or lowest point on the graph

• Where the parabola touches or intersects the x-axis, also called the x-intercept

Tags

CCSS.HSF-IF.C.7A

Which statement about the graph is FALSE?

• The vertex is also a zero of the function

• The y-intercept is (0, -2)

• The axis of symmetry is x = 2

• The range is y ≥ 0

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (1, -2) 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

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

What is the significance of the ordered pair (0, -1.5) 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

State the domain and range.

• Domain: All real numbers, Range: y ≥ -9

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -8, Range: y ≥ -9

• Domain: x ≥ -8, Range: All real numbers

Which point is the vertex?

• (-8, 0)

• (-5, -9)

• (-2, 0)

• (-9, -5)