Show only shaded area of inequality on quadrant 1

Brain shared this question 5 years ago

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I have an inequality, x + y <= 24, and want to show only shaded area on quadrant 1. I do not want the shaded area to go into any of the other 3 quadrants.

Is there a way to do this? I know how to show linear equations on quadrant 1 only but not inequalities.

Any help is greatly appreciated!

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rami ● 5 years ago

one possibility in attachment

Files: ineqInQ1_01.ggb

Comments (6)

ccambre ● 5 years ago

If you want to show the shade area only in quadrant 1, you have to add supplementary conditions:

so you get x + y <= 24 && x > 0 && y > 0

chris

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Brain ● 5 years ago

So I have an input box for a student to enter the correct equation, x + y <= 24. I have it set up to show just x + y <= 0 so all the student has to do is enter the 24. How do I make the input box show x + y <= 24 without showing the && x > 0 && y > 0 part?

Thanks.

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rami ● 5 years ago

one possibility in attachment

Files: ineqInQ1_01.ggb

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mathmagic ● 5 years ago

one usefull complement to rami possibility

https://www.geogebra.org/m/FbjYbhDU

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Brain ● 5 years ago

Thanks rami!

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soniyasingh9877 ● 5 years ago

I hope this will help youonce your linear equation is graphed, then you definately need to attention on the inequality symbol and perform two extra steps. it is quite easy and a laugh. stick with me and you'll have no troubles by means of the end of this lesson.

that is a graph for a linear inequality. notice how we've a boundary line (that can be stable or dotted) and we have a 1/2 plane shaded. (hint: these are the 2 greater steps that you ought to take whilst graphing

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