Quadratic equations

The graph of a quadratic function is called

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

3x² - 4 is a quadratic

• true
• false

What are the green dots called?

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

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

What are the x- intercepts?

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

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

When a parabola opens downward the vertex is

• a minimum
• a maximum
• a vertex
• a parabola

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

• up
• down

The equation
y = x² -12x + 36 has

• 1 solution
• 2 solutions
• no solutions