Ex. 6. Make the following sentences interrogative and negative. Ex. 5. Give the proper English equivalents for the Russian expressions

Ex. 5. Give the proper English equivalents for the Russian expressions.

Ex. 4. Find the Russian equivalents for the following English words and word combinations.

Ex. 3. Answer the following questions.

Post-Reading Activity

1. What is an equation? 2. What are the members or expressions on the either side of the sign of equality called? 3. What must we do to solve the equation? 4. What do we call the solution of the equation? 5. In what way are the equations classified? 6. How do we check the equation? 7. In what types are equations classified according to the degree? 8. In what types are equations classified according to their form? 9. In what way can one solve an equation containing fractions? 10. What operation must one do when solving an equation by the combination of rules?

1. may be true for 2. in finding 3. a linear equation 4. the Least Common Denominator 5. for every value of the variables involved 6. to be equal for certain particular values 7. the expression in question 8. to satisfy the equation upon substitution 9. regardless of the form 10.by substituting

a. независимо от формы; b. линейное уравнение; c. равный для некоторых определенных величин; d. рассматриваемое выражение; e. путем подстановки; f. наименьший общий знаменатель; g. для каждого значения включенной переменной; h. при нахождении; i. может быть верным для; j. удовлетворять уравнению при подстановке

to solve, the unknown quantity, substituted into the expression, the value, roots, have been transposed, the Least Common Denominator, is checked, clearing, to satisfy

1. No rule can be given чтобы решить the given problem. 2. We must write out a definite description of what the letter selected for неизвестная величина represents. 3. There is an indefinite number of pairs that can be подставлены в это выражение. 4. Check the величину obtained in the solution of the equation. 5. The derived equation may have fewer number of корней than the original one. 6. All the terms containing the unknowns были перенесены to the left member. 7. Each member of the equation is multiplied by the наименьший общий знаменатель. 8. The result проверяется by the given formula. 9. The process of multiplying each member by the Least Common Denominator is called устранение the equation of any fractions. 10. The statement of condition may be such that no number can be found to удовлетворить it.

1. This relation is expressed symbolically. 2. Such numbers are easily multiplied. 3. These problems are discussed at the seminars. 4. Various examples were given at the last lesson. 5. I was told to solve another equation. 6. All the facts were summarized in that expression. 7. The line will be divided into several parts. 8. The conference will be held next week. 9. This exercise was done in the classroom yesterday. 10. The common solution will be examined tomorrow.

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