Introduction to Quadratic Equations (02:09) Multiplying Binomials (FOIL) (03:22) More Quadratics (06:14) Graphs of Quadratics (03:54) Quadratic Functions (02:02) Finding the Maximum Value of a Quadratic Function (02:12) 
Squares and Square Roots (05:26) 
Pythagoras (00:27) Discovering the Theorem of Pythagoras (01:18) Geometric Interpretation of the Theorem of Pythagoras (00:27) The Theorem of Pythagoras: Three Questions from Real Life (02:52) Applying the Pythagorean Theorem (01:15) Euclid's Proof (01:22)