Math 149 Lab 1 Exercises

Math 149 Lab 1 - Math 149 Lab 1 Exercises Name < your name goes here > Section < your section number goes here > Exercises Exercise 1 Solving a

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Math 149 Lab 1 - Exercises Name: < your name goes here > Section: < your section number goes here > Exercises ü Exercise 1: Solving a System of Equations Given the system of equations: y = 2 x + 2 y = 2 x 3 + 7 x 2 - x - 2 Find the three solutions via the following four methods, and compare your results: è Graphically, by plotting the two expressions and estimating the points of intersection. è Through the use of the Solve command. è Through the use of the Reduce command. è Through the use of the NSolve command. Useful commands for this exercise: è Plot[{function1name[variable],function2name[variable]},{variable,leftborder,righ tborder},PlotRange->{lowborder,highborder}, PlotLabel->Title] plots two functions and explicitly gives the range of coordinates over which to plot. It also allows you to specify a title. è Solve[{expression1==expression2, expression3==expression4},{variable1,variable2}] solves symbolically for the situation where expression1 is equal to expression2 and expression3 is equal to expression4.
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Math 149 Lab 1 - Math 149 Lab 1 Exercises Name < your name goes here > Section < your section number goes here > Exercises Exercise 1 Solving a

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