# Inequalities

### Overview

With inequalities, you can add colored shading to your Desmos graph. Use strict inequalities (< and >) for dotted lines and non-strict inequalities (<= or >=) for a solid line. For more intricate graphs, you can also use inequalities with restrictions to shade selected parts of the graph. ### More Resources

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• skylord a52

Some graphs I have seen have equations that look something like this: F={x>a:mod(x,a)}. What does that mean? (the mod function is just an example, I know what modulo does)

• Miles Valentine (TRONM)

i have no idea

• Siturralde1

• Equaser Shutter

@Siturralde1 here is the shaded trapezoid https://www.desmos.com/calculator/tclljzjugl

• Stajletour1

how would you go about moving this shaded circle upwards or shading a circle with the equation of (x-k)^2+(y-h)^2=r^2  ?

• Cucumber Something

Simply change the = to >=.

• Sidney Nolan

How do we solve inequalities in number format in the scientific calculator.

Example:

2x+7-5x=27

??

• Sidney Nolan

HELLO!!??

• Sidney Nolan

I AM USING GTHIS ON MY AOL SOON AND I EED TO KNOW HOW TO SOLVE THEM!!

• Yubin Lee

@Equaser_Shutter Your function can be simplified to "y ≤ -|3(x - 5/2)| + 51/6 {1 ≤ y ≤4}." Like this, when using a negative absolute linear function with restriction of y, you can insert the function really efficiently.

• seb

Can you add restrictions to points? If so, how?