Uploaded February 2026 | Updated September 2026, 2 weeks ago
This algebra tutorial covers how to write an equation of a circle in its standard form by completing the square. So, we will see how to convert x^2+y^2+6x-2y+3=0 to (x-h)^2+(y-k)^2=r^2, then we will be able to find the center and the radius of the circle.
More on "completing the square" youtu.be/_YgUOsca7OU
Proof of the "quadratic formula": youtu.be/AD58TWGIcsQ
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
This algebra tutorial covers how to write an equation of a circle in its standard form by completing the square. So, we will see how to convert x^2+y^2+6x-2y+3=0 to (x-h)^2+(y-k)^2=r^2, then we will be able to find the center and the radius of the circle.
More on "completing the square" youtu.be/_YgUOsca7OU
Proof of the "quadratic formula": youtu.be/AD58TWGIcsQ
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
