Linear Inequalities: Using Graphs and Tables Worksheet ...
Linear Inequalities: Using Graphs and Tables Worksheet Activity 3
1. Exit the Algebra Apps.
2. Enter the graphing mode by pressing y= .
3. Delete any equations in y= and press zoom 6 to create a standard window.
4. Answer the following: If x is a real number, draw the number line graph of the following inequality.
-2 < x and x < 4
5. Answer the following: If x is a real number, draw the number line graph of the following inequality.
x < -1 or x > 3
6. Using your graphing calculator check your answers for examples 4 and 5.
Press y=
In y1 enter -2 < x and x < 4
(The less than symbol and the word “and” is found in the catalog, press 2nd 0, then scroll until you see < (or the word and), and press enter)
press graph
Worksheet Activity 3 – Answers
6. Graphing calculator answers for examples 4 and 5 are below.
4.
5.
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