Quadratic Min and Max

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Which is the correct graph of the function:

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7A

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

What is the minimum value of the quadratic function?

• -3

• -1

• All real numbers

• 1

Tags

CCSS.HSF-IF.C.7A

A half-pipe at a skate park is approxiamtely parabolic in shape.  It can be modeled by the quadratic function y = x² - 6x + 9.  At what point would a skater be at the lowest part of the ramp? 

• (-3, 36)

• (36, -3)

• (3, 0)

• (0, 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