Step & Key Operation | Display | Notes |
Enter y = √ |
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6 - x 2 + 2x | for Y1, |
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| Y3. |
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| Y= |
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| 2nd F |
| √ |
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| 6 |
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| x2 |
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| + |
| X/ /T/n |
| ENTER |
| CL |
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| 2nd F |
| VARS |
| A |
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| 2 |
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| ENTER |
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| 1 |
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| 2nd F |
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| ENTER |
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| ( ) |
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"Turn off" Y1 so that it will not |
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| graph. |
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ENTER
WINDOW |
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| 2 |
| ENTER |
— 
2 
ENTER 
GRAPH
Notice that if you enter
y = √ 6 - x 2 + 2x - 2 for Y1 and y = - Y1 for Y2, you will not get the graph of a circle because the “± ” does not go with the
Notice that “=” for Y1 is no longer darkened. You now have the top portion and the bottom portion of the circle in Y2 and Y3.
➝
Graphing circles can be performed easily on the calculator display.
