1. In a homogeneous linear system with n unknowns and rank r number of basic solutions is: 2. The homogeneous system of n linear equations in n unknowns is consistent: 3. Two lines are parallel if and only if the following condition: 4. The slope of the line is called ... inclination angle of this line to the x-axis 5. The product of two matrices exist if: 6. The length of the vector is: 7. Two vectors are called orthogonal if their scalar product: 8. A system of m linear equations in n unknowns called consistent if it is: 9. Three vector lying in the same plane: 10. The system of m linear equations in n unknowns called uncertain if it: 11. The homogeneous system of n linear equations in n unknowns is uncertain: 12. A matrix is called singular if its determinant 13. The system of m linear equations in n unknowns called particular if it: 14. rank of the matrix is equal to: 15. If two lines interchanged, the determinant: 16. The system of m linear equations in n unknowns is consistent if: 17. If a line multiplied by the determinant nonzero number k, the value of the determinant: 18. The eigenvectors of a linear operator corresponding to different eigenvalues are necessarily 19. Two lines are perpendicular if and only if the following condition: 20. The set of all eigenvalues of the linear transformation is called 21. A matrix is called the transpose if: 22. Make a general equation of the line passing through the point M (1,3) perpendicular to the line x + 3y = 0, 3, in the form Ax + By + C = 0. 23. Make the equation of the line passing through the points M (1, -1) and N (2,1) as a general line equation AX + By + C = 0. 24. Enter the equation of a line parallel to the line y = 2x-1 25. Enter the equation of a line perpendicular to the line y = 5x + 3 26. Rank nonsingular square matrix of order n is 27. Arithmetic n-dimensional vector is: #auto |