Ex. 7. Make the following sentences negative and interrogative.

1. The result of the subtraction is being checked now. 2. Polynomials and their fundamental operations were being studied by the students the whole day yesterday. 3. These polynomials are being multiplied at the moment. 4. Each step of the process has already been carefully studied. 5. The necessary information has just been obtained. 6. The whole material about polynomials has been learned by the student recently. 7. Those algebraic expressions have been carefully arranged in descending powers. 8. The report on four operations of polynomials is being discussed during the meeting. 9. The remainder in this expression will have been found by the end of the lesson. 10. The experiment was being conducted when you came in.

Ex. 8. Mark the following as True or False.

1. A polynomial is composed of one term only. 2. A number represented by algebraic symbols is called a fractional expression. 3. Each term of a polynomial is either an integral power of x multiplied by a constant or a constant free of x. 4. The division isn’t exact if the remainder is zero. 5. Division of one polynomial by another is rather a long process. 6. A monomial consists of several terms. 7. All algebraic expressions are divided into different groups. 8. When subtracting we change the signs of the terms of the subtrahend. 9. The polynomial 3xІyІ+2xy+5 is of the fifth degree. 10. A polynomial of three terms is called a binomial.

Ex. 9. Ask special questions.

1. A polynomial is an algebraic expression composed of one or more terms. (What) 2. In the expression 2Ч3 – xyz – xy/z there are three terms. (How many) 3. A polynomial of two terms is called a binomial. (How) 4. The polynomial 3xі+4xІ+5 is of the third degree in x. (What) 5. The whole material has already been learned by the students. (By whom) 6. All the trinomials were being subtracted when we came. (What) 7. If the remainder of division is zero it is exact. (When) 8. You should divide the leading term of the dividend by the leading term of the divisor. (What, how) 9. The remainder found in the result of the subtraction is used as the dividend. (How) 10. The subtraction with those polynomials hadn’t been done correctly by the end of the class yesterday. (What)

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