FF by Rena Baggaeva

2. An equation is called...if each term contains the function or one of its derivatives.
4. A matrix that does not have an inverse is called ...
7. The matrix containing only the coefficients of the system is called the...matrix of the system.
9. A system of linear equations is called...if it has at least one solution.
12. the sum of the products of the corresponding entries of the two sequences of numbers is called...
13. Two systems of linear equations are called...if they have precisely the same solution set.
15. When working with matrices, real numbers are referred to as...

1. The set of all solutions of a linear equation is called its...
3. find the length of the vector v=(3,4).
5. A quantity that has both magnitude and direction but not position is called...
6. The opposite of another operation is called...
8. A binary operation on two vectors in three-dimensional space is called...
10. ...objects are related by their perpendicularity to one another.
11. Find the x -4 2/-8 x =-12.
14. Find y in midpoint(4,1) (10,5).