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Math 181: Test for Chapter 2: Matrices

This test may be taken with a calculator and any number of hand-written notes. Computers or books and other printed material, be they copies, printouts, or typed, are not allowed.

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Generating Augmented Matrices from Systems of Linear Equations

Write the augmented matrix for each of the following systems of linear equations. Note that you are not to solve the systems, just write out the augmented matrices. Be careful in each case.

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____________________	2.

____________________	3.

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____________________	5.

Solving Systems of Linear Equations

Solve each of the following systems of linear equations.

____________________	6.

____________________	7.

____________________	8.

____________________	9.

____________________	10.

____________________	11.

____________________	12.

____________________	13.

Elementary Row Operations

For each of the following, perform the indicated row operation on the matrix given. Note that the particular operations are chosen just to demonstrate the elementary row opertions

____________________	14.

____________________	15.

____________________	16.

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