# Math

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## Functions: One-to-One and Onto

By |November 30th, 2019|Math, Test Prep|

When learning about the behavior of graphs, the terminology can be confusing. Function? One-to-One? Onto? Use this summary to help keep it all straight. Click [...]

## Arithmetic & Geometric Sequences

By |November 30th, 2019|Math, Test Prep|

Many standardized tests like the ACT, SAT, GRE, and GMAT include problems related to arithmetic and geometric sequences. The differences between these types of [...]

## Graphing Rational Polynomial Functions: Asymptotes and Holes

By |July 5th, 2019|Math, Test Prep|

In order to understand the behavior of the graphs of rational polynomials, you need to consider the asymptotes and holes. This guide will help you [...]

## Computational Word Problems

By |June 13th, 2019|Math, Test Prep|

Many standardized tests like the HSPT, ISEE, ACT, and SAT will ask you to perform basic arithmetic computations. You will not see any variables [...]

## Central Angle, Arc Length, and Sector Area of Circles

By |June 13th, 2019|Math, Test Prep|

Many standardized tests like the ACT, SAT, GRE, and GMAT ask questions related to the central angle, arc length, and sector area of circles. [...]

## Verifying Trigonometric Identities

By |June 7th, 2019|Math, Test Prep|

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

## Multiplying Matrices

By |April 29th, 2019|Math, Test Prep|

Matrices can seem like a fun puzzle to some . . . or a confounding nightmare to others. This guide will help with one of [...]

## Law of Sines and Law of Cosines

By |April 28th, 2019|Math, Test Prep|

Law of Sines and Law of Cosines are special trig rules that can be used on non-right (acute or obtuse) triangles.  This guide summarizes [...]

## Log Rules

By |April 28th, 2019|Math, Test Prep|

Logs "undo" Exponents, and are thus a vital concept in Math and Science. This guide reviews the 7 Log Rules and how to Expand, Condense, [...]

## Simplifying Exponential Expressions

By |April 26th, 2019|Math, Science, Test Prep|

Exponential Expressions are a component in most math and science curriculum. Despite the various ways exponents are used, there are only 8 Exponent Rules you [...]

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