INEQUALITIES (2 VARIABLES) Linear Programming (Page 6 of 7)

Be sure you select functions Y1 and Y2. We will use x = 3 as a guess.

 2nd CALC key. 5: menu selection. Right arrow key.... (Move the cursor closer to the
 intersection)

 ENTER key. ENTER key. 3 ENTER key.

 Calculator screen image.

The third vertex is an x-intercept at (3,0). The fourth vertex is the intersection point of the graphs of Y2 and Y3. Again use CALC intersect to find it, being careful to select the correct graphs. We will use x = 5 for a guess.

 2nd CALC key. 5: menu selection. Right arrow key.... (Move the cursor closer to the
 intersection)

 Down arrow key. ENTER key. ENTER key. 5 ENTER key.

 Calculator screen image.
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