Вопрос № 106
Compute the
multiplication of the matrixes АВ,
if А=
В=
Вопрос № 107
Compute the
multiplication of the matrixes АВ,
if А=
В=
Вопрос № 108
FindmatrixА+В,ifА=
В=
Вопрос № 109
Find
matrix
А-В, if
А=
В=
Вопрос № 110
Compute and
determine the 3rd
order: 
-5.
-1.
5.
1.
0.
Вопрос № 111
IfА=
В=
,thenmatrixС=2А+Вhasaform:
Вопрос № 112
if (х0,
у0)-
the solution of system linear equalization
,
then х0- у0equal:
-7,5.
0,5.
7,5.
-0,5.
0.
Вопрос № 113
Find which the identity matrix is:
Е=
.
Е=
.
Е=
.
Е=
.
Е=
.
Вопрос № 114
Matrix size:
(3x3).
(4x3).
(3x4).
(3x2).
(2x3).
Вопрос № 115
Operations on matrices:
addition, multiplication by the number, the product.
addition, multiplication by the number.
multiplication by the number, the product.
the product.
addition.
Вопрос № 116
Determine
the order of the determinant:
2-order.
1-order.
4-order
6-order
n-order.
Вопрос № 117
Square matrix:
Вопрос № 118
Calculate determine
the 3rd order: 
0.
2.
6.
5.
-1.
Вопрос № 119
Find the product
matrix on the number of:
4 
Вопрос № 120
Search matrix А*В:А=
В=
0.
2.
-1.
1.
5.
Вопрос № 121
Searchmatrix
*Aесли
=5
А=
Вопрос № 122
Calculate determine
the 3rd order:
0.
-2.
5.
-10.
10.
Вопрос № 123
Calculate determine
the 3rd order: 
0.
-12.
-10.
10.
-1.
Вопрос № 124
Calculate determine
the 3rd order: 
0.
64.
-64.
-1.
1.
Вопрос № 125
SearchmatrixА+В if А=
В=
,
Вопрос № 126
Formula Cramer:
.
.
.
.
.
Вопрос № 127
Calculate determine
the 2-th order:
1.
-1.
0.
2.
-2.
Вопрос № 128
Determine the order
of the determinant:
n-order.
1-order.
2-order.
3-order.
4-order.
Вопрос № 129
To multiply
matrix
the number
Each element of the
matrix multiplied by the number of
Each element of the
first row of the matrix multiplied by the number of
Each element of the
first column of the matrix multiplied by the number 
.
Each element of the
second column of the matrix multiplied by the number of
.
Each element of the
column and row of the matrix multiplied by the number 
.
Вопрос № 130
Calculate the
determinant of the matrix
-1
0
50
16
-50
Вопрос № 131
Dimension of
matrices:
mxn.
mxm.
nxn.
nx1.
m=1.
Вопрос № 132
The order of the
determinant, consisting of n-elements:
3-порядка.
n –порядка.
4-порядка.
6-порядка.
5-порядка.
Вопрос № 133
An additional
determinant of the system:
Вопрос № 134
If you multiply this matrix by a unit matrix, we obtain:
this matrix.
identity matrix.
zero matrix.
square matrix.
inverse matrix.
Вопрос № 135
Formula for
calculating the determinant of second order:
.
.
.
.
.
Вопрос № 136
If the items are below the main diagonal are zero, then the square matrix is called:
triangular.
diagonal.
unit and square.
square.
unit.
Вопрос № 137
An additional
determinant
of the system:
Вопрос № 138
Methods for solving systems of linear equations:
Kramer, Gauss-Jordan.
Sarryusa and Kronecker - Capelli.
Cauchy problem.
Sarryusa.
Kronecker - Capelli.
Вопрос № 139
B as a matrix of four laboratory feeding birds in two different types of food:
Вопрос № 140
Short name of the matrix:
.
.
.
.
.
Вопрос № 141
Elements of the matrix form:
columns and rows.
lines and diagonals.
diagonal.
columns.
line.
Вопрос № 142
Matrix
called:
vector - a string.
vector - column.
vector - a line and vector - the column.
the diagonal.
vector.
Вопрос № 143
Matrix
called:
vector - column.
vector - a string.
vector - a line and vector - the column.
the diagonal.
vector.
Вопрос № 144
Key containing two identical columns:
is zero.
is 1.
is equal to -1.
is 12.
is 15.
Вопрос № 145
Additional
determinant
of the system:
Вопрос № 146
Key to containing two proportional columns:
is zero.
equal to -2.
is 1.
equal to -5.
is 5.
Вопрос № 147
If one of the rows of the determinant consists of zeros, the determinant:
is zero.
is -1.
is 1.
is 5.
is equal to -6.
Вопрос № 148
Determination of the identity matrix:
diagonal elements are composed of units of the remaining zeros.
elements of the first line consists of all ones.
elementy first column consist of all ones.
all elements are equal to unity.
matrix consisting of one row or one column.
Вопрос № 149
What condition is required to add two matrices:
the same dimension matrices.
the various dimensions of matrices.
the number of rows of the first matrix equals the number of columns of the second matrix.
the number of columns of the first matrix equals the number of rows of the second matrix.
diagonal elements are the same.
Вопрос № 150
What condition must be fulfilled for the multiplication of two matrices:
number of columns of the first matrix equals the number of rows of the second matrix.
the same diagonal elements.
the same dimensions.
the number of columns are equal.
the number of rows are equal.
Вопрос № 151
In which case the system of equations is called homogeneous:
all the free terms are equal to zero.
free terms different numbers.
at least one of the free terms equal to zero.
at least one of the free terms equal to unity.
all free members are equal to unity.
Вопрос № 152
Find a matrix A*B if
Вопрос № 153
Find a matrix A*B if
Вопрос № 154
Solve the system of
equations:
(2;-5).
(1;6).
(8;1).
(-5;2).
(1;0).
Вопрос № 155
Calculate to
determine the 2-nd order:
(a+b)(c+k)-(b+k)(a+c).
(a+k)(c-b).
ck+ab.
ab.
ac.
Вопрос № 156
Calculate to
determine the 2-nd order:
0.
-18.
2.
4.
5.
Вопрос № 157
Calculate the
determinant of the matrix:
44.
18.
0.
52.
16.
Вопрос № 158
Calculate the
determinant of the matrix:
50.
16.
-50.
70.
0.
Вопрос № 159
Calculate the determinant of the matrix:
-1.
0.
50.
16.
-50.
Вопрос № 160
Find a matrix
*
A if
=3
Вопрос № 161
Calculate determine
the 3rd order:
40.
1.
65.
0.
-40.
Вопрос № 162
Calculate determine
the 3rd order:
-5.
5.
1.
0.
10.