Attributes of a Quadratic

Define Zero

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

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

• The highest or lowest point on the graph

• Where the parabola touches or intersects the y-axis

Tags

CCSS.HSF-IF.C.7A

How many x-intercepts can a quadratic function have?

• 0,1,2,3,4

• 0,1,2,3

• 0,1,2

• 0 or 1

Tags

CCSS.HSF-IF.C.7A

Define Axis Of Symmetry

• A line that divides the graph into two equal parts. i.e. cuts the graph in half

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

• The highest y-value on the graph

• The highest or lowest point on the graph

What is the equation for the axis of symmetry?

• -3

• -1

• x=-3

• x=-1

What are the x-intercepts of the graph?

• x= -1 and -3

• x= 1 and -3

• x= 1 and 3

• y= 1 and 3

Tags

CCSS.HSF-IF.C.7A

A football was thrown into the air and lands back down on the ground as shown in the model.

How high does the football go?

• 0.832

• 11.788

• 1.928

• 0

What are the roots of the graph shown?

• (1,0) and (5,0)

• (0,1) and (5,0)

• (5,0) and (0,-1)

• (-5,0) and (3,-2.5)

Tags

CCSS.HSF-IF.C.7A

What type of parabola is this?

• positive, opens up

• negative, opens down

• positive, opens down

• negative, opens up

Tags

positive/negative

What is the vertex of this quadratic equation?  

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

Tags

AI.9.7.A

What is the y-intercept of this parabola?
(a)  

• (0, 5)

• (−1, 3)

• (−3, 11)

• (−2, 5)

Tags

AI.9.7.A