www.bbcnoun.com.ng ECO256 10/10 1. There are ----- forms of vector matrix two 2. Total ------- measure the rate of change in the endogenous variable occasioned by a little/small change in the individual exogenous variables differentials 3. matrix subtraction is also and associative cumulative 4. a --------- matrix is one in which there exists linear dependence between at least two rows or columns singular 5. A situation where an identity matrix remains the same when multiplied by itself any number of times is called -------- idempotent 6. Supposing in a matrix, we decide to make some manipulations by way of transforming the rowsto columns and the columns to rows, what we have just done is known as ----- matrix transpose 7. With matrix or ------, one can easily determine if a particular mathematical problem is resolvable before it is attempted linear algebra 8. an ---- is a rectangular array of numbers, parameters, or variables, each m of which is placed orderly in the matrix amatrix 9. a derivative is a ------ of differentials ratio 10. The laws of matrix are commutative, associative, and -------- in nature distributive