Graphing parabolas and key features

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Given a function y = 2(x - 3)² + 4, identify the y-intercept

• (22, 0)

• (0, 4)

• (3, 4)

• (0, 22)

What is another word for zeros?

• y-intercepts
• roots
• vertex
• axis of symmetry

What are the x-intercepts?

• (3,0) and (2,0)

• (0,4) and (0,0)

• (0,2) and (0,3)

• (0,0) and (4,0)

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola opens up or opens down by looking at the equation?

• The vertex tells you the direction of the opening

• The value of "a" tells you the direction of the opening.

• All parabolas open upward

• All parabolas open downward

Tags

CCSS.HSF-IF.C.7A

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

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

Tags

CCSS.HSF-IF.C.7A

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry for the parabola given?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A