College Algebra Lesson 1.5 Linear Equations, Functions, Zeros, and Applications
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Equation
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a statement that two expressions are equal
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Linear equation in one
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is an equation that can be expressed in the form mx + b = 0, where m and b are real numbers and m ≠ 0.
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Equivalent Equations
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Equations that have the same solution set ex:2x + 3 = 5 and x = 1 are equivalent equations because 1 is the solution of each equation.
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addition principle
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if a=b is true, then a+c = b+c is true
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multiplication principle
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if a = b is true, then ac=bc is true
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motion formula
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d=rt
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simple interest fromula
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I=Prt
