Desmos Tips & Tricks

1. In the first expression line, type: 512 / x²

2. Click the Gear icon (Settings) at the top of the expression sidebar, then click the

Convert to Table icon.

3. Look down the y₁ column (the right column) for the smallest whole number before the values become decimals.

4. Find the row where y₁ is a whole number. For 512, you will find:

1. x = 16

2. y₁ = 2

This gives you exactly 16√2.

How to get a simplified radical

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Finding two numbers that multiply and add into equations like

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