Name ______________________

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equ7.

The interval notations [a,b], [a,b), (a,b), and (a,b] each have different meaning because of the meaning of the (, ), [, or ] which indicate the inclusion or exclusion of the endpoints of the interval. (Notes on this topic are found at: Inequalities)

 

Use the endpoints 2 and 6.

Write notes in words and with a number line to illustrate each of the four intervals

1st: State interval using the interval notation.

2nd: Draw a number line indicating the interval.

3rd: Describe the interval in English.