Provider
Topic
Level
8th - High School
Price
Free
None
Add-ons available
Common Core
Yes
No
Sal introduces the four conic sections and shows how they are derived by intersecting planes with cones in certain ways.
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computing, history, art history, economics, and more, including K-14 and test preparation (SAT, Praxis, LSAT) content. We focus on skill mastery to help learners establish strong foundations, so there's no limit to what they can learn next!