Review Graphs of Quadratic Functions

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• both 
• neither

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

What is the vertex?

• (5,2)
• (2,5)
• (-2,5)
• (-5,2)

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.CED.A.2

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a
• -b/a
• b/2a
• -b/2a

What are the green dots called?

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

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2
• maximum: 2
• minimum: 5
• maximum: 5

Use the graph to determine the x-intercepts.

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4