DoYourMath.com Algebrator Manual For Your Algebra Problem Solver | Page 56

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Algebrator Manual

2.2.2.5.2.2 Equation of parabola using its vertex and directrix

This wizard is used to find the equation of a parabola, given its vertex and
directrix.

It can be accessed by clicking on Wizard Button | Parabola | Equation of a
parabola using its vertex and directrix.

To find the equation of a parabola:
Enter the vertex point:(x1 , y1 ).
Enter the equation of the directrix.
Click on the "Solve Step" button to see the next step or "Solve all" button
to see all steps.

Make certain that the directrix is either a horizontal or a vertical line,
otherwise the given directrix will not form the parabola.

If you need an explanation for any particular step, click on the step and then
click on the "Explain" button.
2.2.2.5.2.3 Equation of parabola using its focus and directrix

This wizard is used to find the equation of a parabola, given its focus and
directrix.

It can be accessed by clicking on Wizard Button | Parabola | Equation of a
parabola using its focus and directrix.

To find the equation of a parabola:
Enter the focus point: (x1 , y1 ).
Enter the equation of the directrix.
Click on the "Solve Step" button to see the next step or "Solve all" button
to see all steps.

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