Exam (1) - EXAM 1 Math 105 February 7 2013 Name You must show all your work Partial credit will be given 1 Solve each of the following systems of

Exam (1) - EXAM 1 Math 105 February 7 2013 Name You must...

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EXAM 1 Math 105 February 7, 2013 Name You must show all your work. Partial credit will be given. 1. Solve each of the following systems of equations using any method you like. (9 pts each) (b)braceleftbigg15x+9y=-12
2. Write the augmented matrix for the following system of equations. (5 pts) 3. For each of the following matrices, state whether or not it is the desired final form. If it is,find the solution to the system of equations which it represents. If it is not, do the requiredstep (or steps) to put it into the final form then find the solution to the system which itrepresents. (You may use your calculator but you must show what you did step by step.) (9pts each)

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