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Math_112_Fall_2010.jkovalsky.Lesson_11_-_Lines_and_Linear_Equations

Math_112_Fall_2010.jkovalsky.Lesson_11_-_Lines_and_Linear_Equations

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JORDAN KOVALSKY Math - 112 Spring 2010 WeBWorK Assignment Lesson 11 - Lines and Linear Equations Due Date: 10/01/2010 at 11:59pm CDT. The primary purpose of WeBWorK is to let you know that you are getting the correct answer or to alert you if you are making some kind of mistake. You can use the Feedback button on each problem page to send e-mail to the course instructors. 1. (1 pt) Compute the slope of the line passing through the given points. The points ( 4 , 4 ) and ( 4 , 4 ) . Slope = The points ( 0 , 5 ) and ( 4 , 5 ) . Slope = 2. (1 pt) Here is a graph of a line: (Click on the image to enlarge it.) Compute the slope of the using each pair of points indicated. The points are A ( 3 , 2 ) , B ( 2 , 0 ) , and C ( 1 , 6 ) . Using A and B : Slope = Using B and C : Slope = Using A and C : Slope = The principle involved here is that no matter which pair of points you choose, the slope is the same. 3. (1 pt) Find an equation for the line having the slope and passing through the given point. Write your answer in the form y = mx + b . With m = 5; through ( 4 , 3 ) : y = x + With m = 4 5 ; through 5 , 4 5 : y = x + 4. (1 pt) Find the equation of a vertical line passing through the point ( 9 , 4 ) . Write your answer in the form Ax + By + C = 0. Line is : = 0 Find the equation of a horizontal line passing through the point ( 9 , 4 ) . Write your answer in the form Ax + By + C = 0. Line is : = 0 5. (1 pt) Find the equation of the line with slope 0 and intercept 11 and write it in slope-intercept form.

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