You can learn by purchasing the explainer videos, or find the algebra 1 worksheets answer keys at the bottom of this page.
PS5 focuses on solving equations involving a single variable x. It’s a rather lengthy worksheet covering the many, many common types of equations containing the variable x. You will learn how to systematically apply inverse operations to isolate the variable x algebraically. We commonly call these techniques simply solving an equation by hand, using paper and pencil.
PS6 covers an extremely specific technique known as factoring a difference of perfect squares. It’s a special case, yet we cover it extensively because it leads naturally to the factoring of more general types of expressions. Factoring, which is conceptually the opposite of a distributing, is probably the single most important all the algebra 1 topics.
PS7 covers the topic of factoring for the general case of polynomial expressions. This is an important technique that will allow us to solve equations.
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