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Download Accelerated Math II – Test 1 – Matrices
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Transcript
Accelerated Math II – Test 1 – Matrices Be able to define… matrix element/entry equal matrices dimension of a matrix column matrix row matrix square matrix zero matrix identity matrix scalar determinant inverse matrix invertible (nonsingular) and non-invertible (singular) matrix equation coefficient matrix digraph adjacency matrix linear programming: objective function, constraints, feasible region, optimal solution Be able to do… *matrix operations (+, −,×) scalar multiplication *find determinant (show diagonal or lattice method for 3 × 3) *give inverse matrix *solve matrix equation *use Cramer’s Rule find area of triangle give adjacency matrix for digraph solve linear programming problem *use calculator technology **A gardener is trying to find a triangular area behind his house that encloses 1750 square feet. He has placed the first two fence posts at (0, 50) and at (40, 0). The final fence post is on the property line at y = 100. Find the point where the gardener can place the final fence post.
