#### Topic: How can I add the graph of X=1?

Hello,

I manage to create the graph of the function F(x)=3x^2 very easy but I can't find how to add the graphs of X=1 and X=2 as well.

Regards

Moshe

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Graph Forums → Support → How can I add the graph of X=1?

Hello,

I manage to create the graph of the function F(x)=3x^2 very easy but I can't find how to add the graphs of X=1 and X=2 as well.

Regards

Moshe

From the FAQ at http://www.padowan.dk/faq/:**Q:** How do I plot a vertical line?**A:** A vertical line can be drawn as a parametric function. Select Parametric function as Function type when adding the function. You can then add the vertical line at x=5 as **x(t)=5, y(t)=t**. Alternatively you can add **x=5** as a relation.

Excellent !!!

Many thanks, a great tool for me as a Math teacher

Moshe

Graph Forums → Support → How can I add the graph of X=1?

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