Last week in advanced math we learned some of chapter eight. The thing that I understood most about chapter eight is section eight two. I understood chapter eight more than I did chapter seven.
In section eight two, we learned how to find the amplitude and the period.

To graph things with a period change you must:
find all 5 points
divide by B
Sketch the graph.

The amplitude is the distance from zero to the highest point and half the vertical distance.

The period is how long it takes to repeat itself.

Example 1: y=2 sin1/2x
1. amplitude= 2= 2
2. period=2pi/ (1/2)= 2pi x 2= 4pi
3. find your five points
1. 0
2. pi/2
3. pi
4. 3pi/2
5. 2pi
4. divide by B
1. 0/ (1/2)= 0
2. pi/2/ (1/2)= pi
3. pi/ (1/2)= 2pi
4. 3pi/2/ (1/2)= 3pi
5. 2pi/ (1/2)= 4pi
5. sketch the graph with the second set of point starting at the origin.