8.3 Quizizz

What does the h term tell you?

• left or right

• left or right, opposite sign, axis of symmetry, x-value of the vertex.

• axis of symmetry, x-value of the vertex

• nothing.

What does the k term tell you?

• up.

• down.

• up/down, y-value in the vertex

• nothing

• left: 1, up: 4

• left: 1, down: 4

• right: 1, up: 4

• right: 4, up: 1

• reflect over the x-axis

• reflect over the x-axis, left: 3, up: 6

• stretch, left: 3, down: 6

• left: 3, down: 6

• a=-1, h=3, k=2

• a=3, h=3, k=3

• a=1, h=-3, k=2

• a=1, h=-3, k=-2

• a=-1, h=4, k=3

• a=-1, h=-4, k=3

• a=1, h=4, k=3

• a=1, h=-4, k=-3

• Vertex: (1,-1)

• Vertex: (-1, 1)

• Vertex: (-1, -1)

• Vertex: (1, 1)

• Maximum

• Minimum

Does the graph of this equation open up or down? 
f(x) = -(x + 3)² - 5

• up
• down

If the blue graph is f(x) = x²

then the red must be...

• g(x) = x² - 5

• g(x) = x² + 5

• g(x) = (x - 5)²

• g(x) = (x + 5)²