# LMD Async Tutoring

**URL:** https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933
**Category:** Tutoring
**Created:** [April 23, 2024, 12:05am UTC](https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933 "2024-04-23T00:05:39Z")
**Posts on this page:** 1
**Showing post:** 415

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### Author: ![LMD](https://discuss.criticalfallibilism.com/user_avatar/discuss.criticalfallibilism.com/lmd/32/3213_2.png) [@LMD](https://discuss.criticalfallibilism.com/u/LMD)
#### Post date: [July 20, 2024, 12:06am UTC](https://discuss.criticalfallibilism.com/t/lmd-async-tutoring/1933/415 "2024-07-20T00:06:20Z")

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> [@Eternity Async Tutoring](https://discuss.criticalfallibilism.com/t/eternity-async-tutoring/1932/399):
>
> Take an integer number line (from -5 to 5 is enough) and draw arrows from each number to what it maps to when multiplied by negative 1.

 ![Screenshot 2024-07-20 at 10.04.08 AM](https://discuss.criticalfallibilism.com/uploads/default/original/2X/5/51334d353bf5316d63202eeb3f23fabb70fd448a.png)

I didn’t draw an arrow for 0, but it stays 0.

> [@Eternity Async Tutoring](https://discuss.criticalfallibilism.com/t/eternity-async-tutoring/1932/403):
>
> Yeah. So can you describe what you’re doing to the number line when you multiply by -1?

It’s like rotating the number line 180 degrees around the point 0.

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