Quadratic Functions - VF

Does this graph have a maximum or minimum value?

• maximum

• minimum

• neither

• both

What is the vertex of the function   y = (x - 3)² + 5

• (-3, 5)
• (3, -5)
• (-3, -5)
• (3, 5)

Given: y = 2(x - 5)² - 6, the vertex is

• (-5, -6)

• (-5, 6)

• (5, -6)

• (5, 6)

Find the y-intercept of the function.

y = -3(x + 2)² - 5

• (0, -5)

• (-2, -5)

• (0, -17)

• (2, -5)

Tags

CCSS.HSF-IF.C.7A

Determine the vertex of the parabola y=5(x + 2)² – 7

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

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

What are the green dots called?

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

Tags

CCSS.HSF-IF.C.7A

The green dot on this parabola is called a _______.

• maximum

• minumum

• root

• zero

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the graph?

• (2,4)
• (-2,-4)
• (4,2)
• (-4,-2)

Find the vertex.

y = -3(x - 2)² - 4

• (-3,-4)

• (-2,-4)

• (2,-4)

• (2,4)