1. /6.66 pointsLarPCalc8 8.1.032.
Fill in the blanks using elementary row trading operations to form a row-equivalent matrix.
106 1
0 ?10 6
00 ?1 8
1 0 61
0 1 0
0 0 1
2. /6.66 pointsLarPCalc8 8.1.046.MI.
Write the matrix in row-echelon form. (Note: Row-echelon forms are not unique.)
12 ?16
37 ?57
?2 ?1 ?3 11
2?1
?2
3. /6.66 pointsLarPCalc8 8.1.058.MI.
1| 2| ?2| 25|
0| 1| 1| 7|
0| 0| 1| 5|
Write the placement of elongate equations represented by the augmented matrix. Then use back-substitution to solve. (Use the variables x, y, and z, if applicable.)
(x, y, z) =,,
4. /6.66 pointsLarPCalc8 8.2.010.MI.
fuck off x and y.
x + 2 43
2 2y2x=
3 9 y + 2
2x + 6 4 3
2 8 8
3 9 2
x =
y =
5. /6.66 pointsLarPCalc8 8.2.030.
Solve for X in the equation, given the following matrices.
2X = 2A B
130 1
A =1 3
11
andB =04
34
X =
6. /6.66 pointsLarPCalc8 8.3.014.MI.
realize the inverse of the matrix (if it exists). (If an answer does not exist, enter DNE.)
15
2 11
7. /6.66 pointsLarPCalc8 8.3.020.MI.
Find the inverse of the matrix (if it exists). (If an answer does not exist, enter DNE.
)
8| 3| 6|
3| 1| 2|
6| 2| 5|
8. /6.66 pointsLarPCalc8 8.3.044.
Use the inverse matrix
?3 2
?2 1
to solve the system of linear equations.
x ? 2y = ?2
2x ? 3y = ?6
(x, y) =,
9. /6.66 pointsLarPCalc8 8.4.030.
Consider the following.
5| ?2| 0|
2| 3| 2|
2| ?6| 2|
(a) Find all minors of the matrix.
M11 =
M12 =
M13 = M21 = M22 = M23 = M31 = M32 =
M33 =
(b) Find all cofactors of the matrix.
C11 = C12 = C13 = C21 = C22 = C23 = C31 = C32 =
C33 =
10./6.66 pointsLarPCalc8 8.4.040.MI.
Find the determinant of the matrix. Expand by cofactors on the row or column that appears to make the computations easiest....If you want to get a all-embracing essay, order it on our website: Orderessay
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