Instructional Video10:07
Curated Video

Graphing Linear Equations in Slope-Intercept Form

9th - 12th
In this video, we learn about slope-intercept form in linear equations. The teacher explains how to identify the slope and y-intercept, and how to use them to graph a line. The lesson is broken down into simple steps, making it easy to...
Instructional Video
Crash Course

Crash Course History of Science #5: The Americas and Time Keeping

9th - 10th
How did ancient civilizations in America develop their culture and knowledge base without any contact with the peoples of Africa, Asia, or Europe? This is a story about the planet Venus, breathtaking pyramids, and intricate calendars....