Algebra

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Math Review of Properties of Real Numbers
Math Review of Properties of Real Numbers 150 150 Deborah

Overview Real numbers are numbers on the number line. This includes positive and negative numbers, integers, rational numbers, irrational numbers, and the number zero. Real numbers have certain mathematical properties,…

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Math Review of Properties of Equality
Math Review of Properties of Equality 150 150 Deborah

Overview Both sides of an equation will remain equivalent as long as we add, subtract, multiply and divide by equivalent expressions. The properties of equality ensure that we can isolate…

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Math Review of Exponents and Scientific Notation
Math Review of Exponents and Scientific Notation 150 150 Deborah

Overview Scientific notation is a method of representing very large numbers with positive exponents and very small numbers with negative exponents. Although any number can be used as a base…

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Math Review of Applications Using Rational Equations and Proportions
Math Review of Applications Using Rational Equations and Proportions 150 150 Deborah

Overview Many applied problems can be solved using rational equations and proportions. Some of the types of problems that can be solved include problems involving different rates of work, different…

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Math Review of Operations with Polynomials with More than One Variable
Math Review of Operations with Polynomials with More than One Variable 150 150 Deborah

Overview Polynomials with more than one variable are often used in applications when one variable has a relationship with another. Special attention to combining like terms is essential to solving…

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Math Review of Direct and Inverse Variation
Math Review of Direct and Inverse Variation 150 150 Deborah

Overview Direct and inverse variation refer to relationships between variables, so that when one variable changes the other variable changes by a specified amount. Both direct and inverse variation can…

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Math Review of Multiplying and Simplifying Rational Expressions
Math Review of Multiplying and Simplifying Rational Expressions 150 150 Deborah

Overview Rational expressions may include constants or variables in the numerator and denominator.  If the variable is in the denominator, values of the variable that cause the denominator to equal…

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Math Review of Least Common Multiples and Denominators in Rational Expressions
Math Review of Least Common Multiples and Denominators in Rational Expressions 150 150 Deborah

Overview Rational expressions are like fractions, and must have common denominators in order to be added or subtracted.  In order to find the smallest denominator in common, the least common…

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Math Review of Multiplying and Simplifying Radical Expressions
Math Review of Multiplying and Simplifying Radical Expressions 150 150 Deborah

Overview Radical expressions contain one or more radicands, or expressions underneath root signs. They can be multiplied following rules for non-negative real numbers. Radical Expressions Radical expressions that do not have…

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Math Review of Factoring Sums or Differences of Cubes
Math Review of Factoring Sums or Differences of Cubes 150 150 Deborah

Overview Sums or differences of cubes can be factored similarly to other quadratic equations. They follow a pattern that is a little more complex than factoring quadratic equations. Sum of…

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