Determine the Vertex

Determine the vertex from the following equation: -3\left(x-4\right)^2+1

• Vertex: (4,1)

• Vertex: (-4, -1)

• Vertex: (4, -1)

• Vertex: (-4, 1)

• Vertex: (1,-1)

• Vertex: (-1, 1)

• Vertex: (-1, -1)

• Vertex: (1, 1)

Determine the vertex from the following equation: \frac{1}{2}\left(x+4\right)^2+1

• Vertex: (-4, 1)

• Vertex: (-4, -1)

• Vertex: (4, 1)

• Vertex: (4, -1)

What does the k term tell you?

• up.

• down.

• up/down, y-value in the vertex

• nothing

What is the vertex of this function?

a

b

c

d

Zero(-)

Vertex

Y-intercept

Zero (+)

The table of a quadratic function is shown.

Create the ordered pair that represents the vertex of the quadratic.

( ​ (a)   , ​ (b)   )

• -2

• -6

• -3

• -5

• -4

• -1

• 0

• 1

• 3

A graph of a quadratic function is shown. What is the vertex of the function?

( ​ (a)   , ​ (b)   ​ )

• 9

• 0

• 3

• -9

• -3

• a=-1, h=3, k=2

• a=3, h=3, k=3

• a=1, h=-3, k=2

• a=1, h=-3, k=-2

Identify the a, h, and k terms in the following equation: 2\left(x+4\right)^2-1

• a=2, h=-4, k=-1

• a=-2, h=4, k=1

• a=2, h=4, k=1

• a=-2, h=-4, k=1