Joy Zhou

1. Hamjamiyat
2. Content Requests and Feedback
3. Videos for AP Physics C

Hi, I think you should post this in "Content request and feedback", so then KA can see it better ;)

1. Hamjamiyat
2. Positive Stories and Testimonials
3. The Khan Community

Yes, Khan Academy is a great tool to help students learn and this community allows people to interact and ask questions. I am glad that we all get help from it. The best way to share it is to tell ...

1. Hamjamiyat
2. Study Group
3. Imaginary Numbers

Hi, That is a good question! This article can answer your question.  https://www.khanacademy.org/math/algebra2/introduction-to-complex-numbers-algebra-2/the-imaginary-numbers-algebra-2/a/intro-to-t...

1. Hamjamiyat
2. Classroom Product Questions and Feedback
3. California Standards

Hi, I am a high school student at a California public school. Personally, I feel like KA can help me practice more on the concept. But if you compare the Common Core textbook and KA online material...

1. Hamjamiyat
2. Study Group
3. Imaginary Numbers

So if you have a negative square root, then you can simplify the answer with i.  For you question, the answer should be i√5.    Hope this helps!

1. Hamjamiyat
2. Study Group
3. Khan Academy Chemistry

Hi, You can go to the chemistry section and check out how hard it is. I think the course is similar to regular chemistry class. It covers all the basic information about chemistry, but definitely n...

1. Hamjamiyat
2. Classroom Tips and Tricks
3. Powers & Exponent Laws

Hi, You can search up "simplifying exponent" in the search box to look for a specific topic you want to learn. There are few videos that would be helpful for you to better understand this topic.  "...

1. Hamjamiyat
2. Positive Stories and Testimonials
3. Volunteer in the Translation Team

Hi Katrina, I am so happy to meet you too! I also want to be a support advocate, so I can get involved in the community around me. How did you become a support advocate and what is your daily task?