Quadratics Test

Which of these functions is a QUADRATIC function?

• y = x-2

• y = 2x + 5

• y = 4x²-3

• y = 5

Is the graph a quadratic function?

• No

• Yes

The graph of a quadratic function is called a ....

• parabola

• line

• hyperbola

• ellipse

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSG.GPE.A.2

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Tags

CCSS.HSF-IF.C.7A

Find the coordinates of the vertex. Show your work. Hint: start with axis of symmetry, x = -b/2a

y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Find the coordinates of the vertex. Show your work. Hint: start with axis of symmetry, x = -b/2a

y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

State the coordinates of the vertex.

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)