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Arithmetic & Geometric Sequences
Many standardized tests like the ACT, SAT, GRE, and GMAT include problems related to arithmetic and geometric sequences. The differences between these types of sequences, as well as the equations used for solving for [...]
GRE Guide and Resources
The GRE is increasingly being accepted by graduate and law schools (in place of the GMAT and LSAT). Check here and with the specific institutions you are applying with to see if the GRE is [...]
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 [...]
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 [...]
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 [...]
Subject Verb Agreement
Verbs should agree with the subject. As simple as this sounds, it can often be confusing. This guide will help! Click here for the guide on Subject Verb Agreement (with answer key). Check out our [...]
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, [...]
