Quadratic Functions in Vertex Form

How can you tell the direction of the opening of the graph of a parabola 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

Does the graph of
-2(x + 5) + 2
have a minimum or a maximum?

• Minimum
• Maximum
• It has neither.
• It has both.

Tags

CCSS.HSF-IF.C.7A

The solutions of a quadratic equation are known as the _____.

• Vertices
• Roots
• Squares
• Formulas

Tags

CCSS.HSA.REI.B.4

Given the equation for this parabola:
 y = -(x-4)² - 3,
does this parabola have a maximum or minimum value?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

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

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

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

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

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph?

• (2,4)
• (-2,-4)
• (4,2)
• (-4,-2)

Tags

CCSS.HSF-IF.C.7A