.꧁ɴɪɪᴄᴏ¹꧂.

You can see your questions by clicking on "Profile" on the lower left side of your home page. Then, click on "View All" next to your discussion section.   A brief overview of your questions, comm...

1. Cộng đồng
2. General Khan Academy Questions
3. I cant find the question I asked

You got the general formula right, but you got confused on step 1 or 2. Slope is definitely delta y/delta x, but, to make it easier, it is also y₂ - y₁/x₂ - x₁ You can plug in the coordinate values...

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2. Study Group
3. Slope calculation

Companies use Red, Green (not really), and White hat hackers to prevent cyber attacks and can actually get into contact with the bad hackers.

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2. Content Requests and Feedback
3. Can you add a course on hacking?

It's right under the "Community" label. You can click "all news"

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2. General Khan Academy Questions
3. "Retired" Speed badges?

Hey! No problem. New badges and competitions are announced here on KA's Zendesk.

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2. General Khan Academy Questions
3. "Retired" Speed badges?

Hi Richard, You are correct that the Sub-Light Speed and 299, 792, 458 Meters per Second were recently retired. I don't know if they will be returned though.   

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2. General Khan Academy Questions
3. "Retired" Speed badges?

Artemis and Atlas are currently deemed "impossible" to attain due to the fact (which I can neither confirm nor deny) that there are less skills on KA than the required.   EDIT:  According to the KA...

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2. General Khan Academy Questions
3. How do I get the "Is Sal" Black hole Badge

It could be that they're using their parent's or an older person's account.

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2. General Khan Academy Questions
3. Reporting child accounts

That's up to your jurisdiction.

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2. General Khan Academy Questions
3. Reporting child accounts

The "Is Sal" badge is also retired now

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2. General Khan Academy Questions
3. How do I get the "Is Sal" Black hole Badge