Chapter 4 Test

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Chapter 4 Test
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Multiple Choice True/False Topics
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? Dimensions of matrices (row by
column) ? Identity matrix (I) ? Augmented
matrix
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? Cramers Rule? Inverses? Determinant
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? Triangular form? Properties of Matrix
Operations
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Types of Solve/work it out Problems
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? Add, ? subtract, ? multiply matrices (watch
for not possible ones)
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Solve the matrix equation
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Area of a triangle using matrices
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Find the determinant
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Find the inverse (2x2 only)
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Use the inverse to solve the system (Must show
workgraded on the process)
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Use Cramers Rule to solve the system (Must show
workgraded on the process)
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Use augmented matrices and elementary row
operations to solve the system (Must show
workgraded on the process)
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One word problem
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Tonight you should