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4 Andrea needs to buy many light globes of two types, Bayonet (B) and Screw-in (S). as part of her property management job. The matrix A= The matrix C JF 34 B 45 S KL 78 J 99 F shows the price of each globe purchased in January (J) and February (F). shows the cost of globes installed at each of factories K and I during January an February this year. The product AC would determine A. the total cost of globes at both factories combined. B. the cost of each type of globe, totalled across both factories, with one row per type. C. D. the cost of each type at each factory, one row per type, one column per factory. the cost of each type in each month, one row per type, one column per month. the cost of each factory in each month. E.

4 Andrea needs to buy many light globes of two types, Bayonet (B) and Screw-in (S). as part of her property management job. The matrix A= The matrix C JF 34 B 45 S KL 78 J 99 F shows the price of each globe purchased in January (J) and February (F). shows the cost of globes installed at each of factories K and I during January an February this year. The product AC would determine A. the total cost of globes at both factories combined. B. the cost of each type of globe, totalled across both factories, with one row per type. C. D. the cost of each type at each factory, one row per type, one column per factory. the cost of each type in each month, one row per type, one column per month. the cost of each factory in each month. E.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 60RE
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4 5 6. Andrea needs to buy many light globes of two types, Bayonet (B) and Screw-in (S), as part of her property management job. The matrix A = The matrix C = JF 34 B 45 S KL shows the price of each globe purchased in January (J) and February (F). J shows the cost of globes installed at each of factories K and L during January an 99 F February this year. The product AC would determine A. the total cost of globes at both factories combined. B. the cost of each type of globe, totalled across both factories, with one row per type. the cost of each type at each factory, one row per type, one column per factory. C. D. the cost of each type in each month, one row per type, one column per month. the cost of each factory in each month. E. Matrix M AB; A has order 4 x 2; B has order 2 x 3 The element for matrix M in position m32 can be found by multiplying: A. Row 2 of B and column 3 of A B. Column 3 of A and row 2 of B C. Row 3 of A and column 2 of B. D. Column 3 of B and row 2 of A E. Column 3 of B and row 2 of A Matrix A is a 3 x 4 matrix. Matrix B is a 3 x 3 matrix. Which one of the following matrix expressions is defined? A. BA² B. BA-2A C. A + 2B D. B²-AB- E. A-1 19 | Page
Transcribed Image Text:4 5 6. Andrea needs to buy many light globes of two types, Bayonet (B) and Screw-in (S), as part of her property management job. The matrix A = The matrix C = JF 34 B 45 S KL shows the price of each globe purchased in January (J) and February (F). J shows the cost of globes installed at each of factories K and L during January an 99 F February this year. The product AC would determine A. the total cost of globes at both factories combined. B. the cost of each type of globe, totalled across both factories, with one row per type. the cost of each type at each factory, one row per type, one column per factory. C. D. the cost of each type in each month, one row per type, one column per month. the cost of each factory in each month. E. Matrix M AB; A has order 4 x 2; B has order 2 x 3 The element for matrix M in position m32 can be found by multiplying: A. Row 2 of B and column 3 of A B. Column 3 of A and row 2 of B C. Row 3 of A and column 2 of B. D. Column 3 of B and row 2 of A E. Column 3 of B and row 2 of A Matrix A is a 3 x 4 matrix. Matrix B is a 3 x 3 matrix. Which one of the following matrix expressions is defined? A. BA² B. BA-2A C. A + 2B D. B²-AB- E. A-1 19 | Page
Example 11 Given that M = a 2M + 2N d 6M-4N Example 12 0 [i][ 0 1 If 59 3 8 A -11 3 7 8 d and N= H B -10 4 3 5 e b 3N-2M -2 4 12N - 3M 7 7] 8 11 evaluate the following using a CAS/calculator. then d is equal to C 7 с f D 10 5M + 4N M + 2M E 11
Transcribed Image Text:Example 11 Given that M = a 2M + 2N d 6M-4N Example 12 0 [i][ 0 1 If 59 3 8 A -11 3 7 8 d and N= H B -10 4 3 5 e b 3N-2M -2 4 12N - 3M 7 7] 8 11 evaluate the following using a CAS/calculator. then d is equal to C 7 с f D 10 5M + 4N M + 2M E 11
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