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Solve the system of linear equations and check any solution algebraically .
Q3: Solve the system using Gaussian elimination.
Q29: Use the dot product to find
Q41: Write the augmented matrix for the
Q58: Use the trigonometric substitution to rewrite
Q135: If possible, find AB and state
Q157: Find the determinant of the matrix
Q167: Write the system of linear equations
Q177: Write a set of inequalities to
Q211: The figure shows the results of
Q282: Select the augmented matrix for the