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25 -2 6. 0. -4 6. 9. -1 8 -6 3 9 7 10 -7 -8 10 1 -4 16. Write the augmented matrix for the system. Do not solve. X - 4y = 18 2x + 3z = -4 4y - 7z = 10 17. Write the system of equations corresponding to the augmented matrix. (4 points) 3 2 4 26 7 20 6. 30 Solve the system from #17 using backwards substitution. 18.

25 -2 6. 0. -4 6. 9. -1 8 -6 3 9 7 10 -7 -8 10 1 -4 16. Write the augmented matrix for the system. Do not solve. X - 4y = 18 2x + 3z = -4 4y - 7z = 10 17. Write the system of equations corresponding to the augmented matrix. (4 points) 3 2 4 26 7 20 6. 30 Solve the system from #17 using backwards substitution. 18.

Algebra for College Students
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.CT: Test
Problem 14CT
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14. Solve the system of inequalities by graphing the equations and shading the appropriate region. 10 S(x + 1)² + (y + 2)2 < 25 У > Зх — 4 {* + ", 3x -4 8 6 4 2 -10 -8 -6-4 8 10 -2 2. -2 4. -6 -8 -10 15. Identify the size of each matrix. 1 2 10 25 -2 -4 3 9. -1 2 8 -4 3 -6 7 10 -7 -8 10 1 -4 16. Write the augmented matrix for the system. Do not solve. x - 4y = 18 2x + 3z = -4 4y - 7z = 10 17. Write the system of equations corresponding to the augmented matrix. (4 points) 3 2 26 0. 5 20 30 18. Solve the system from #17 using backwards substitution. O co 476
Transcribed Image Text:14. Solve the system of inequalities by graphing the equations and shading the appropriate region. 10 S(x + 1)² + (y + 2)2 < 25 У > Зх — 4 {* + ", 3x -4 8 6 4 2 -10 -8 -6-4 8 10 -2 2. -2 4. -6 -8 -10 15. Identify the size of each matrix. 1 2 10 25 -2 -4 3 9. -1 2 8 -4 3 -6 7 10 -7 -8 10 1 -4 16. Write the augmented matrix for the system. Do not solve. x - 4y = 18 2x + 3z = -4 4y - 7z = 10 17. Write the system of equations corresponding to the augmented matrix. (4 points) 3 2 26 0. 5 20 30 18. Solve the system from #17 using backwards substitution. O co 476
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