Recall that elementary row operations on a matrix affect the value of the determinant. Use this technique of evaluating to find the determinant of the following matrix by recording the changes to the determinant as it is reduced to row-echelelon form and give the final value of the determinant.

Q: Solve the system if possible by using Cramer's rule. If Cramer's rule does not apply, solve the…

A: Given: System of equations -10x-2y=-20 8x-2y=-15 To do: Solve the given system using Cramer's…

Q: 3 4 2 1 (a) 1 5 7 (b) -6 3 -2 2 -6 -1 7 1 -1, | 2nd row and 1st column 3rd row and 2nd column 5 -1 6…

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Q: Evaluate this determinant by cofactors of row 1: 4 4 4 4 1 2 0 1 2012 1 1 0 2 Check by subtracting…

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Q: Jse determinant to calculate the area of a triangle with the following vertices: A = [2,1] B = [8,7]…

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Q: Find M13 and C13. M13 - C13 = i 39 39 A = -90 0 8 1 0-5 -1 1 -9-2 50 2

A: Given matrix is A = -906-100-5-181-9-21502

Q: Question 9. Solve ans show work. thanks

A: Hey! Done below. Please ask for further clarifications.Explanation:Step 1:Step 2: Step 3: Step 4:

Q: The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the…

A: The given determinant, -123034-550. We have to find the value of the determinant using the given…

Q: Given the following matrix, find (1) the determinant and (2) the multiplicative inverse of the…

A: The determinant and the multiplicative inverse of the determinant for the given matrix are provided…

Q: Use the determinant of a matrix to find the area of the triangle whose vertices are (-2,- 7), (6,…

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Q: Can you show how you did the second part, I am still unsure about how to just see that the…

A: In 1st part we replace 5th row by subtracting 5th row from 1st row. So 5th row is zero row.

Q: Evaluate the determinant of the following system of simultaneous linear equations and identify the…

A: Introduction: Determinant is very important in solving a system of linear equations. The solution is…

Q: Find the determinant of the matrix using the formulas in number 1 then check your answer with…

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Q: Use determinants to find y in the below equations: 7x + 5y - 3z - 16 = 0 3x - 5y + 2z+8 = 0 5x + 3y…

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Q: Please help with solution with steps

A: The determinant of the given matrix is 98.       Explanation:Step 1:To compute the determinant of a…

Q: Use either elementary row or column operations, or cofactor expansion, to find the determinant by…

A: To find the determinant of the matrix

Q: Use elementary row operations to evaluate the given determinant. (1, 7, −3; 1, 3, 1; 4, 8, 1)

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Q: 3 b Find the value of b that make the matrix A singular. 3 5 b =

A: Note : According To our guidelines we can solve only first question and rest can be reposted.Thank…