Final Exam Q.3

The minimum of a quadratic function is

• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing
• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing

The maximum of a quadratic function is

• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing
• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing

The graph of a quadratic function is called a

• line

• parabola

• half oval

• vertex form

Does the equation open UP or DOWN?  y = -3x²

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.

• TRUE

• FALSE

Which of these represents a CUBIC function?

• 
• 
• 
• 

A cubic function has a degree of....

• 1

• 2

• 3

• 4

• 121
• 4
• 100
• 6

What would the equation be for this graph?

• y=x
• y=1/x

What is the RELATIVE frequency of students speaking VIETNAMESE (in percentage)?

• 8%
• 100%
• 4%
• 16%