First Course in Algebra, Βιβλίο 1Macmillan, 1919 - 334 σελίδες |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα ix
... solving this , Ahmes did not use a letter to represent the unknown , as we would naturally do now , but the steps he followed ... solve first - degree equations and even quadratics , but they used geometric methods instead of the simpler ...
... solving this , Ahmes did not use a letter to represent the unknown , as we would naturally do now , but the steps he followed ... solve first - degree equations and even quadratics , but they used geometric methods instead of the simpler ...
Σελίδα 7
... solving problems . Here the advan- tage of using letters , mentioned in § 1 , will become clearer . EXAMPLE 1. If twice a certain number is increased by 5 , the result is ... solve another example , but we shall I , § 6 ] 7 LITERAL NUMBERS.
... solving problems . Here the advan- tage of using letters , mentioned in § 1 , will become clearer . EXAMPLE 1. If twice a certain number is increased by 5 , the result is ... solve another example , but we shall I , § 6 ] 7 LITERAL NUMBERS.
Σελίδα 8
... Solve the following exercises , letting x stand for the un- known number . Condense the work as in § 6 and check each answer . † 1. If three times a certain number is increased by 2 the result is 20. What is the number ? Ans . 6 . † It ...
... Solve the following exercises , letting x stand for the un- known number . Condense the work as in § 6 and check each answer . † 1. If three times a certain number is increased by 2 the result is 20. What is the number ? Ans . 6 . † It ...
Σελίδα 10
... solve such an equation as 3x - 1 = 14 , it is necessary to add 1 to both sides . This can be done since the balance is not thereby disturbed . Adding 1 to both sides , we find 3x = = 15 . Dividing both sides by 3 , we have x = 3 . Ans ...
... solve such an equation as 3x - 1 = 14 , it is necessary to add 1 to both sides . This can be done since the balance is not thereby disturbed . Adding 1 to both sides , we find 3x = = 15 . Dividing both sides by 3 , we have x = 3 . Ans ...
Σελίδα 11
... solve it to find the number . 17. If 16 is subtracted from three times a certain number the result is 110. Find the number . 18. Our team played ball with the seventh grade . Our score was 3 less than twice theirs . Our score was 11 ...
... solve it to find the number . 17. If 16 is subtracted from three times a certain number the result is 110. Find the number . 18. Our team played ball with the seventh grade . Our score was 3 less than twice theirs . Our score was 11 ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ab+b² added algebra Appendix arithmetic Axiom called cents CHAPTER check your answer circle coefficient common denominator common factor completing the square cube diameter divisor Draw the graph equal EXAMPLE EXERCISES Solve figure Find the H. C. F. Find the numbers Find the value following equations following exercises following expressions fraction further exercises given equation gives highest common factor HINT illustrated inches length lowest common means miles an hour minuend monomial multiply negative numbers numerator and denominator ORAL EXERCISES parentheses perfect square polynomial quadratic quadratic equation quotient radical radicand radius ratio represents result Similarly Simplify simultaneous equations SOLUTION Solve the equation square root subtract subtrahend SUPPLEMENTARY EXERCISES surd Transposing triangle trinomial weight wheel write WRITTEN EXERCISES x²y² yards
Δημοφιλή αποσπάσματα
Σελίδα 241 - Then divide the first term of the remainder by the first term of the divisor...
Σελίδα 101 - Prove that the square of the sum of any two numbers equals the square of the first number, plus twice the product of the two numbers, plus the square of the second number.
Σελίδα 238 - Find the greatest square in the left-hand period and write its root for the first figure of the required root. Square this root, subtract the result from the left-hand period, and to the remainder annex the next period for a dividend.
Σελίδα 138 - Separate each number into its prime factors. Find the product of these factors, taking each factor the greatest number of times it occurs in any one of the given numbers.
Σελίδα 140 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.
Σελίδα 238 - ... subtract the product from the dividend, and to the remainder annex the next period for the next dividend.
Σελίδα 102 - That is, the square of the difference of two numbers is equal to the square of the first number, minus twice the product of the two numbers, plus the square of the second number.
Σελίδα 73 - Any term may be transposed from one side of an equation to the other provided its sign be changed.
Σελίδα 143 - A fraction is reduced to its lowest terms when its numerator and denominator have no common factor except 1.
Σελίδα 227 - If 1 is added to the numerator of a certain fraction, the value of the fraction becomes f ; if 2 is added to the denominator, the value of the fraction becomes £. What is the fraction ? SUGGESTION.