Quiz 4 Features of Quadratic Functions

Find the axis of symmetry for the graph

• x = -1
• x = 1
• x = 3
• x = -1 , 3

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

What is the axis of symmetry?

• x = - 4
• x = - 2
• x = 0
• x = 4

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for f(x) = x² + 4x - 5 

• x = 2
• x = -2
• x = 4
• x = -4

What is the vertex?

• (0, - 1)
• (0, 0.5)
• (-1, 0)
• (0.5, 0)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

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

• y = -2
• x = 3
• x = -3
• y = 2

What is the vertex?

y = x² + 6x - 5

• -3

• -14

• (3, -14)

• (-3, -14)

Will the parabola open up or down?

Y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

Tags

CCSS.HSF-IF.C.7A

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form