Lessons

Lessons by HyperBrain(694)  

Pre-Algebra

• A MUST-READ LESSON:Deriving the general equation of any Circle in Linear-equations. Seen 13598 times.

Algebra I

• Don't discriminate the DISCRIMINANT!!!!! in Quadratic_Equations. Seen 7387 times.
• Factoring trinomials: SHORTCUT!!! in Polynomials-and-rational-expressions. Seen 36650 times.
• finding a square root in Square-cubic-other-roots. Seen 11290 times.
• An overview to the laws of logarithms in logarithm. Seen 11970 times.
• Learn to square binomials MENTALLY in just a MINUTE! in Polynomials-and-rational-expressions. Seen 9550 times.

Algebra II

• Shortcut in finding the vertex of any parabola in Quadratic-relations-and-conic-sections. Seen 17453 times.

Logic

• Proof that if a>b, then -a<-b in Proofs. Seen 6012 times.
• Proof that if a>b, then -a<-b in Proofs. Seen 6012 times.
These lessons were seen 119922 times.