1.2_bzca5e - Section 1.2 Linear Equations and Rational...

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Section 1.2 Linear Equations and Rational Equations
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Solving Linear Equations in One Variable
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Definition of a Linear Equation A linear equation in one variable x is an equation that can be written in the form ax+b=0 where a and b are real numbers, and a 0.
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Example Solve and check: 7 10 18 x - =
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Example Solve and check: 2( 5) 5(7 ) 9 x x - - - =
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Finding Intersection on a Graphing Calculator 1 2 2 1 4 y x y x = + = - + Find the answer at the bottom of the screen. (1, 3) } Questions about curves and quesses 2 1 4 x x + = - + Let’s find the intersection of the two lines. Press 2 nd Trace to get Calc. Then press #5 for Intersection. Keep pressing enter (three times) to answer the questions and the final result will be the intersection point (1,3).
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Using your calculator and the intersection function find the solution to the following problem. ( 29 2 3 14 5 2 x x - = +
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Linear Equations with Fractions
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Example Solve and check: 3 7 2 2 6 x x + + - =
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This document was uploaded on 10/26/2011 for the course FKP bmfp at UTEM Chile.

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1.2_bzca5e - Section 1.2 Linear Equations and Rational...

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