Linear Equations

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Linear Equations :

Linear Equations Melanie Trevino

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Objective: Students will learn how to solve linear equations, and check their answer by reinserting the answer into the variable . Goal: Students are able to solve linear equations using algebra and rechecking work .

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What is a Linear Equation? A linear equation is an  equation  for a straight line.

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Step-by-step how to solve a linear equation by KhanAcademy .

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Click the speaker to hear about how to check your answers.

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How can we figure out the slope? -The slope is the same as the variable we solve for in the linear equation. m= slope b =y-intercept y= mx + b is our linear equation formula

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Without a graph, can we know if a line on a graph for the linear equation with go up or go down? -Yes. -If the answer to the linear equation is positive the line will go up from left to right. -If the answer to the linear equation is negative the line will go down from left to right.

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Activity: Students will be given a riddle. The answer to the riddle will be written in numbers. To solve the riddle students will have to solve linear equations and use the answer for the variable in each to problem to match to the riddle.

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The answers to these equations will help you solve the riddle. 10s+5=55 2e+2=18 2b+3=17 5l+3=13 3+4a=7 5c+5=50 3p+4=13 8o+3=35

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What is a surface or line that can be inclined from a horizontal or vertical line; slant up or down? _ _ _ _ _ 5 2 4 3 8

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