Intro to quadratics Quiz Oct 15, 2018

What are the green dots called?

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

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• 0 and 4
• 0 and -4
• 0
• -4

What are the x-intercepts of the function?

y=(x-4)(x-2)

• x=4 and x=2

• x=-4 and x = -2

• x = 4 and x= -2

• x = -4 and x = 2

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

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

Tags

CCSS.HSG.GPE.A.2

Find the axis of symmetry for the graph

• x = -1
• x = 1
• x = 3
• x = -1 , 3

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

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

What is the axis of symmetry in the function f(x) = (x-1)² +2

• x = 1

• x = -1

• x = 2

• x = -2

Which variable determines if a parabola opens upward or downward?

• a

• h

• k

• b

• c