## Graphing Rational Polynomial Functions: Asymptotes and Holes

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 to make sense of holes as well as vertical, horizontal, [...]

## Computational Word Problems

Many standardized tests like the HSPT, ISEE, ACT, and SAT will ask you to perform basic arithmetic computations. You will not see any variables in the questions, just words and numbers. This guide will show [...]

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

Many standardized tests like the ACT, SAT, GRE, and GMAT ask questions related to the central angle, arc length, and sector area of circles. Rather than memorizing formulas for these, this guide will show you [...]

## 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 "verifying" or "providing" identities can be difficult.  Follow the steps in this guide [...]

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

## Lenses and Mirrors

Lenses and Mirrors refract rays to form an image. Keeping track of whether this image is inverted or upright, magnified or shrunk, etc can be challenging as the image's characteristics depend upon the object, lens/mirror, [...]

By |May 16th, 2019|Categories: Science, Test Prep|

## Hardy-Weinberg Equilibrium

Students in Biology class focus on learning how to use the Hardy-Weinberg Equations. The Hardy-Weinberg Equilibrium Principle states that allele and genotype frequencies in a population will remain constant from generation to generation in the [...]

By |May 2nd, 2019|Categories: Science, Test Prep| 