The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential …

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Expressions contain numbers and variables, but not an equal sign. An equation has an “equal” sign. For example: Equation: . When we simplify an expression, we work until there are as few terms as …

Algebra Graphing with Coordinates Graphs in two dimensions are very common in algebra and are one of the most common algebra applications in real life.

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Free algebra tutorial and help. Notes, videos, steps. Solve and simplify linear, quadratic, polynomial, and rational expressions and equations.

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This College Algebra study guide covers equations, inequalities, functions, graphs, polynomials, logarithms, and real-world applications for exam prep.

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Study guides with what you need to know for your class on College Algebra. Ace your next test.