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PRACTICE PROBLEMS FOR TEST College Algebra Chapters 5 and 6(excepy 6.5 and 6.8) and 7.4 Chapter 5 3. Given the equation below. a. Make a chart showing the possible combinations of positive, negative, and nonreal roots of the equation b. List all the possible rational roots of the equation. c. use synthetic division and the information from above to find all the rational roots of the equation., Solve the following systems of equations by using the method designated. Be sure to indicate your final answers for x and y.
___________________________________Name 2A 6. GRAPHING 46132yxyx 7. SOLVE USING SUBSTITUTION 23511xyyx 8. SOLVE USING ADDITION 213519xyxy 9. SOLVE USING GAUSSIAN ELIMINATION 38255