4.8 Practice Day

What is the x-intercept of a polynomial graph?

• The point where the graph crosses the y-axis.

• The point where the graph crosses the x-axis.

• The highest point on the graph.

• The lowest point on the graph.

What is the y-intercept of a polynomial graph?

• The point where the graph crosses the y-axis.

• The point where the graph crosses the x-axis.

• The highest point on the graph.

• The lowest point on the graph.

What is a minimum point on a polynomial graph?

• The point where the graph crosses the y-axis.

• The lowest point on the graph.

• The highest point on the graph.

• The point where the graph crosses the x-axis.

What is a maximum point on a polynomial graph?

• The point where the graph crosses the y-axis.

• The lowest point on the graph.

• The highest point on the graph.

• The point where the graph crosses the x-axis.

What does the interval of increase on a polynomial graph indicate?

• Where the graph is moving upwards.

• Where the graph is moving downwards.

• Where the graph is constant.

• Where the graph crosses the x-axis.

What does the interval of decrease on a polynomial graph indicate?

• Where the graph is moving upwards.

• Where the graph is moving downwards.

• Where the graph is constant.

• Where the graph crosses the y-axis.

What is the domain of a polynomial function?

• All possible y-values.

• All possible x-values.

• The highest point on the graph.

• The lowest point on the graph.

What is the range of a polynomial function?

• All possible y-values.

• All possible x-values.

• The highest point on the graph.

• The lowest point on the graph.

How can you identify a turning point on a polynomial graph?

• It is where the graph crosses the x-axis.

• It is where the graph changes direction.

• It is where the graph crosses the y-axis.

• It is the highest point on the graph.

Select all x-intercepts:

• (-5,0)

• (0,0)

• (4,0)

• (0,-5)

• (0,4)