Graphing Quadratic Functions

The graph of a quadratic function is called

• a line
• a hyperbola
• a parabola
• a cubic

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

What is the vertex?
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

• x = -4
• x = 4
• y = 4
• y = -4

• up

• down

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

What is the graph of this function: y = x² - 4x

• 
• 
• 
• 

What is the graph of y = -3x² + 12x - 16

• 
• 
• 
• 

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

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