Math Review

Math Review - Math Review Algebra Review An equation tells us that two mathematical expressions are equal to each other Expressions can contain

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Math Review 1 Algebra Review An equation tells us that two mathematical expressions are equal to each other. Expressions can contain both variables and constants, as in: 3 x - 5 = 2 x + 2 v = v 0 + at When we solve an equation we manipulate the expressions until they are in the form: or a = v - v 0 t variable = expression variable = constant x = 7 or

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Math Review 2 Addition Property of Equations The same quantity can be added to both sides of an equation without changing the solution of the equation. x - 2 = 9 x - 2 + 2 = 9 + 2 x = 11 v = v 0 + at v - v 0 = v 0 + at - v 0 v - v 0 = at
Math Review 3 Multiplication Property of Equations Both sides of an equation can be multiplied by the same non-zero quantity without changing the solution of the equation. x 4 = - 9 x 4 4 ( 29 = - 9 ( 29 4 ( 29 x = - 36 v - v 0 = at v - v 0 ( 29 1 t = at ( 29 1 t v - v 0 t = a a = v - v 0 t

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4 Dealing with Parentheses Parentheses can be used to group variables and constants. The “distributive property” of equations
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This note was uploaded on 04/28/2008 for the course PHY 111 taught by Professor Scott during the Winter '07 term at Saginaw Valley.

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Math Review - Math Review Algebra Review An equation tells us that two mathematical expressions are equal to each other Expressions can contain

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