Pop Quiz Vertex Form

y = (x - 2)² + 2 y = (x + 2)² + 2 y = (x - 2)² - 2 y = -(x - 2)² + 2

• y = (x - 2)² + 2

• y = (x + 2)² + 2

• y = (x - 2)² - 2

• y = -(x - 2)² + 2

Tags

CCSS.HSF-IF.C.7A

• y = -(x + 1)² - 4
• y = -(x + 1)² + 4
• y = -(x - 1)² - 4
• y = (x + 1)² + 4

Tags

CCSS.HSF-IF.C.7A

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down

What is the vertex for
f(x)=4(x-2)² + 3

• (-2, 3)

• (2,-3)

• (4,3)

• (2,3)

Match the following to its vertex.

• (-1, -3)

• y = 2(x—1)² + 3

• (1, -3)

• y = 2(x + 1)² — 3

• (-1, 3)

• y = 2(x + 1)² + 3

• (1, 3)

• y = 2(x — 1)² — 3

• Factored Form

• Standard Form

• Vertex Form

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.

Tags

CCSS.HSF-IF.C.7A

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4

• y = (x+3)² - 4

• y = (x-3)² + 4

• y = 2(x - 3)² + 4

Which equations matches the graph above?

Tags

CCSS.HSF-IF.C.7A