Quadratic Function in the Vertex Form

Identify the vertex:

f ( x ) = 5 ( x - 3 ) ² - 9

• ( 5 , -3 )

• ( 5 , 3 )

• ( -3 , -9 )

• ( 3 , -9 )

Which equation matches the graph?

• y = (x + 3)² - 4

• y = (x - 3)² - 4

• y = -1(x + 3)² - 4

• y = -1(x - 3)² + 4

Tags

CCSS.HSF-IF.C.7A

Identify the equation that matches the graph.

• y = (x+1)² + 4

• y = (x - 1)² + 4

• y = -1(x+ 1)² + 4

• y = -1(x-1)² + 4

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• vertex

• intercept

• peak

• root

What is the vertex of the graph?

• (0, 6)

• (6, 0)

• (-2, 2)

• (2, 2)

Identify a, h, k:

f ( x ) = 5 ( x - 4 ) ² + 3

• a = 5, h = -4 , k = 3

• a = 5, h = 4 , k = 3

• a = 5, h = -4 , k = -3

• a = 5, h = 4 , k = -3

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

Tags

CCSS.HSF-IF.C.7A

Which equation matches the graph?

• y = (x + 1)² + 3

• y = -1(x + 1)² + 3

• y = -1(x - 1)² +3

• y = (x - 1)² - 3

Tags

CCSS.HSF-IF.C.7A