Bell Ringer Key Feature of a Quadratic Function

Name the x-intercept(s)?

• 0
• 4
• 2
• 0 and 4

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Is this a max or min?

• max
• min

What is the range of the function?
*Hint: Range is all of the y-values included in the function. 

• y≤3
• y≥3
• All real numbers
• -6≤y≤3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of the following has a domain of all real numbers greater than -3 and less than or equation to 5?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

About how long did it take the football to hit the ground (0 feet)?

• About 3 seconds
• About 0 seconds
• About 1.3 Seconds
• About 2.6 Seconds

Why does the point (0 , -1) make no sense to have on this graph?

• The football cannot be at 0 feet
• The football cannot be at -1 feet
• There cannot be -1 seconds
• There is nothing wrong with the point, it does make sense.

Tags

CCSS.8.EE.B.5

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec.  This can be modeled with the function h(t) = -16t² + 96t.  What is the maximum height?

• 145 feet
• 160 feet
• 130 feet
• 135 feet