6.1 Understanding Quadratic Functions

What is the vertex of this quadratic equation?

y = 2(x + 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Tags

CCSS.8.G.A.3

Which equation would give the graph of a parabola?

• y = 2x - 3

• y = x₂ + 1

• y = x² + 4

Tags

CCSS.HSF-IF.C.7A