Math

Functions: One-to-One and Onto Functions? One-to-One? Onto? When learning about the behavior of graphs, the terminology can be confusing. Use this summary to help [...]

Arithmetic and Geometric Sequences Many standardized tests like the ACT, SAT, GRE, and GMAT include problems related to arithmetic and geometric sequences. The differences [...]

Graphing Rational Polynomial Functions: Asymptotes and Holes Are you learning about graphing rational polynomial functions? In order to understand the behavior of the graphs [...]

  Computational Word Problems What are computational word problems? Many standardized tests like the HSPT, ISEE, ACT, and SAT will ask you to perform [...]

Central Angle, Arc Length, and Sector Area of Circles Many standardized tests like the ACT, SAT, GRE, and GMAT ask questions related to the [...]

Verifying Trigonometric Identities Lessons in Algebra 2, Trigonometry, and Pre-Calculus courses often involve verifying trigonometric identities.  We are so accustomed to solving equations that [...]

Multiplying Matrices (Multiplying) Matrices can seem like a fun puzzle to some . . . or a confounding nightmare to others. This guide will [...]

Law of Sines and Law of Cosines The Law of Sines and the Law of Cosines are special trig rules that can be used [...]

Log Rules and Practice Are you learning about and practicing Log Rules? Logarithms "undo" Exponents, and are thus a vital concept in Math and [...]