2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Row Operations Matrix Operations.

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Presentation transcript:

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Row Operations Matrix Operations Inverse Find the determinant ETC.

What size is the following matrix?

Write the following system.

Solve by row operations.

No Solution

Solve by row operations.

Find x and y

Prove the following are inverses

Show me!!!!!!

Find the inverse

Solve using inverse matrices

Solve using inverse matrices (use graph calc)

True or False

Find the area of the triangle ABC using determinants

Find y so the triangle has an area of 4

Use determinants to find the equation of the line through

Solve by Cramer’s Rule