# Ch 4 T - Use the following matrices to answer problems 1...

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Honors Algebra 2 Name ________________________ Chapter 4 Test Keeney Period _______ Date ____________ A CALCULATOR IS ALLOWED ON THIS SECTION OF THE TEST. 1. Refer to the directed network and adjacency matrix G below. To: P Q R From: 0 1 0 1 0 1 2 1 1 Find the matrix that gives the number of two-stage paths. Interpret 21 g in your previous answer and list the corresponding paths. 2. The Snappy School Supplies Company produces pens, pencils, and erasers. The items are sold by Adams’ ABC’s, Bob’s Bookstore, and Calculators, etc., as indicated in this table. Stores: A B C Pens 40 30 20 The profit on pens is 8 cents, on pencils 5 Pencils 50 30 60 cents, and on erasers 20 cents. Erasers 40 40 60 Find the profit for each store by setting up and solving a matrix multiplication problem.

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Honors Algebra 2 Name ________________________ Chapter 4 Test Keeney Period _____ Date ______________ NO CALCULATOR IS ALLOWED ON THIS SECTION OF THE TEST.
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Unformatted text preview: Use the following matrices to answer problems 1 – 9. Show work or briefly explain your answer to receive credit. A 3 1 2 5 6 2 4 7 - -- B 3 2 2 2 1 4 4 3 3-- -- - C 4 2 8 6 5 4- - D 3 2 5 4 1. Find the dimensions of C. 2. A+B 3. B-A 4. 4A 5. AC A 3 1 2 5 6 2 4 7 - -- B 3 2 2 2 1 4 4 3 3-- -- - C 4 2 8 6 5 4- - D 3 2 5 4 Remember to show work or briefly explain your answer to receive credit. 6. CB 7. det D 8. D 1-9. det B 10. Solve the system using matrices: 4 5 2 3 9 x y x y + = - -= -...
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Ch 4 T - Use the following matrices to answer problems 1...

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