First Course in Algebra, Βιβλίο 1Macmillan, 1919 - 334 σελίδες |
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Σελίδα 2
... divided by b ) means in all cases the quotient of a divided by b . Besides the rules just stated , there are others in algebra which must now be carefully noted : Instead of 2xa it is customary to write simply 2 a . In the same way , 3 ...
... divided by b ) means in all cases the quotient of a divided by b . Besides the rules just stated , there are others in algebra which must now be carefully noted : Instead of 2xa it is customary to write simply 2 a . In the same way , 3 ...
Σελίδα 9
... One team won three games and the other two teams divided the remaining victories equally between them . How many games did each of the other teams win ? 7. Adding to Both Sides of an Equation . If I , § 6 ] 9 LITERAL NUMBERS.
... One team won three games and the other two teams divided the remaining victories equally between them . How many games did each of the other teams win ? 7. Adding to Both Sides of an Equation . If I , § 6 ] 9 LITERAL NUMBERS.
Σελίδα 12
... value of x in each of the following equations . 3x 2x 2 x 11 . = 9 . 13 . 4 . 15 . = 8 . 4 1.1 5 12 . 57 = 3 . 3 x 3 x 14 . .08 = 12 . 16 . 7 = 21 . 17. A certain number divided by 13 gives 50. Write 12 [ I , § 8 FIRST COURSE IN ALGEBRA.
... value of x in each of the following equations . 3x 2x 2 x 11 . = 9 . 13 . 4 . 15 . = 8 . 4 1.1 5 12 . 57 = 3 . 3 x 3 x 14 . .08 = 12 . 16 . 7 = 21 . 17. A certain number divided by 13 gives 50. Write 12 [ I , § 8 FIRST COURSE IN ALGEBRA.
Σελίδα 13
... divided by .4 gives 4 ? ( Work by algebra . ) 19. If twice a certain number is divided by 3 , the result is 12. What is the number ? ( Compare with Ex . 10. ) 20. By what number must 71⁄2 be multiplied to give 425 ? 21. The diameter of ...
... divided by .4 gives 4 ? ( Work by algebra . ) 19. If twice a certain number is divided by 3 , the result is 12. What is the number ? ( Compare with Ex . 10. ) 20. By what number must 71⁄2 be multiplied to give 425 ? 21. The diameter of ...
Σελίδα 19
... divided by 2a . ] 2b + c - d 9 . + b . с 4c + 5b - a 11 . d + c 3b - 4a + 10 c 10 . 2 d b + 2c + 4 bc 12 . • b + 2 d + 3b2 ab , bc , cd 14 . с a b 13. 1 + 1 + 1 a b C 15. 6 d2 - 4c + 5 b2 + 1 . 17. 4 ab2 + 6 bc2-2 cd2 . 19 . d 2a + 3b + ...
... divided by 2a . ] 2b + c - d 9 . + b . с 4c + 5b - a 11 . d + c 3b - 4a + 10 c 10 . 2 d b + 2c + 4 bc 12 . • b + 2 d + 3b2 ab , bc , cd 14 . с a b 13. 1 + 1 + 1 a b C 15. 6 d2 - 4c + 5 b2 + 1 . 17. 4 ab2 + 6 bc2-2 cd2 . 19 . d 2a + 3b + ...
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a²+2ab+b² 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