Interpreting Quadratic Functions

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

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?

• vertex

• y intercept

• roots

• zeros

Which of the following is true

• The minimum value is -4

• The minimum value is 4

• The maximum value is -4

• The maximum value is 4

Tags

CCSS.HSF-IF.C.7A

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

A parabola is upside-down when a is:

• negative

• positive

• 0

• a fraction or decimal

Tags

CCSS.HSF-IF.C.7A

Which transformation transforms the graph of

y = x² to the graph of

y = (x + 4)²?

• a vertical translation 4 units up

• a vertical translation 4 units down

• a horizontal translation 4 units to the left

• a horizontal translation 4 units to the right

Match the description to its equation:

shifts the parabola down 3

• A

• B

• C

• D

In the equation y=5(x+3)²-10 what does the 5 do?

• Vertical stretch by 5

• Horizontal compress by 5

• Reflect in the x

• Move up 5

How does the width of the graph y = 3/4 (x - 5)² + 12 compare with the width of y =x²

• wider

• congruent

• narrower