Matrix - high school - practice problems - last page
Number of problems found: 39
- The inverse
The inverse matrix for matrix A has a determinant value of 0.333. What value has a determinant of matrix A? - Third-order 4413
Determine how many elements a third-order square matrix contains. - Determine 4414
Determine how many rows the 7th-order square matrix contains. - Determine 4314
Find the rank of each null matrix.
- Coefficients 55451
Write a system of 3 linear equations with 3 variables (x. Y. z), which has all non-zero coefficients and a solution x= 2+t, y=3-2t, z=t, where t€R. The fact that the system has all non-zero coefficients means that all numbers in the extended matrix of the - Rectangular 5174
How many columns does a rectangular matrix contain, which contains 45 elements, and the number of its columns is five times larger than the number of its rows? - Elimination: 10441
Solve the linear system of equations by Gaussian elimination: 3x1 −2x2 −5x3 + x4 = 3 2x1 −3x2 + x3 + 5x4 = −3 x1 + 2x2 −4x4 = −3 x1 - x2 −4x3 + 9x4 = 22 - Inverse matrix
Find out the inverse by Gauss elimination or by reduction method. A=[2/3. 1 -3. 1/3] - Rectangular 5512
The rectangular matrix M contains 21 elements and has three columns. How many rows does matrix M have more than square matrix F, which contains four elements?
- Matrices 5702
How many columns will the matrix K contain, which will be the product of matrices I and J, where matrices I and J are square matrices of the sixth order? - Determinant 9511
The determinant of a square matrix of the 1st order equals 3. How many elements does this matrix contain? - Contains 4838
The square matrix contains 81 elements. How many rows does this array contain? - Contains 5488
The given is the unit matrix A, which contains three rows. How many rows will matrix B have, which arises as to the square of matrix A? - Contain 5173
Write the number of units that contain a unit matrix with rows 3.
- Determinant 4320
Calculate the value of the determinant of a unit matrix with 11 rows. - The determinant
The determinant of the unit matrix equals 7. Check how many rows the A matrix contains. - Diagonal 5541
How many zeros does the unit matrix E contain, which has three units in the main diagonal? - Determinant 5701
The unit matrix has the value of determinant 3. Find out how many elements this matrix contains. - Cuboids
Two separate cuboids with different orientations are in space. Determine the angle between them, knowing the direction cosine matrix for each separate cuboid. u1=(0.62955056, 0.094432584, 0.77119944) u2=(0.14484653, 0.9208101, 0.36211633)
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Matrix - practice problems. Examples for secondary school students.