11/11 Quadratic Functions - Lesson Guide

Identify the vertex

• (-1,-9)
• (0,-8)
• (-4,0)
• (0,0)

What is the axis of symmetry of the above graph?

• x = 3

• y = 3

• y = -1

• x = -1

Tags

CCSS.HSF-IF.C.7A

Which function has a maximum at (2, 0)?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (-3, 0)

• (3, 0)

• (0, 18)

• (18, 0)

If "a" is negative, does the parabola open up or down? Does it have a maximum or minimum?

• Down, Max
• Down, Min
• Up, Max
• Up, Min

Tags

CCSS.HSF-IF.C.7A

What is the location of the vertex?
4x² - 24x + 20

• (4 , 20)

• (3, -16)

• (-2 , 16)

• (-5, 12)

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSF-IF.C.7A

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.