Comparing Methods to Solve Systems of Equations

Question 1: Which of the following is not a method of solving a system of equations?

Question 2: Why is the graphing method the worst method for solving systems if we are solving them by hand?

graphing by hand isn’t easy to read if the point of intersection is a fraction or decimal
it’s difficult to solve equations for a variable
graphing can often lead to incorrect answers
you need graph paper to graph a system of equations

Question 3: True or False: The substitution method is the most convenient when one of the variables has no coefficient.

Question 4: The elimination method is easiest when

Question 5: True or False: You must always use the same method to solve systems of equations once you get good at one method

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