Unit 7 Extra Review- Graphing Quadratics

The height of a water balloon that is launched into the air is given by h(t) = -5t² + 40t + 2. From what height was the balloon released?

• 2 meters

• 5 meters

• 40 meters

• 20 meters

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

• Neither

• Both

Tags

CCSS.HSF-IF.C.7A

Which of the following will always go through the vertex?

• Axis of symmetry

• Zeros

• 'a'

• Solutions

Tags

CCSS.HSF-IF.C.7A

The name for the maximum or minimum point on a graph is?

• y-intercept

• x-intercept

• vertex

• axis of symmetry

What is the equation of the axis of symmetry?

• y = 4

• y = -4

• x = 4

• x = -4

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What are the coordinates of the y-intercept?

• (-3, 0)
• (0, -3)
• (2, 1)
• y=-3

Tags

CCSS.HSF-IF.C.7A

3) The coordinates of the vertex for y=x²-5x+4 are (____ , ____)

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation 
s(t) = –16t² + 64t + 80.
What will be the object's maximum height? 

• 2 ft
• 80 ft
• 144 ft
• 64 ft