First Course in Algebra, Βιβλίο 1Macmillan, 1919 - 334 σελίδες |
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Αποτελέσματα 1 - 5 από τα 99.
Σελίδα 1
... answer . The advantage in using letters is twofold . It enables us to write general rules and it is of great assistance in solving problems , as we shall soon see . 2. Literal Numbers . Numbers that are represented by letters B 1 ...
... answer . The advantage in using letters is twofold . It enables us to write general rules and it is of great assistance in solving problems , as we shall soon see . 2. Literal Numbers . Numbers that are represented by letters B 1 ...
Σελίδα 2
... answer when the length is 4 ft . , the width 3 ft . , and the height 2 ft . 3. Symbols . The symbols + , - , X , and are used with literal numbers as with other numbers , and their meanings are as in arithmetic . Just as 8 + 5 means the ...
... answer when the length is 4 ft . , the width 3 ft . , and the height 2 ft . 3. Symbols . The symbols + , - , X , and are used with literal numbers as with other numbers , and their meanings are as in arithmetic . Just as 8 + 5 means the ...
Σελίδα 6
... answer does what the problem demands of it , it is said to check . In this problem , the answer 13 checks be- cause 3 × 13 + 1 = 6 , just as the first equation ( or 3 x + 1 = 6 ) demands . WRITTEN EXERCISES Solve the following exercises ...
... answer does what the problem demands of it , it is said to check . In this problem , the answer 13 checks be- cause 3 × 13 + 1 = 6 , just as the first equation ( or 3 x + 1 = 6 ) demands . WRITTEN EXERCISES Solve the following exercises ...
Σελίδα 8
... answer does what the problem demands of it , it is said to check . In this problem , the answer 13 checks be- cause 3 × 13 + 1 = 6 , just as the first equation ( or 3 x + 1 = 6 ) demands . WRITTEN EXERCISES Solve the following exercises ...
... answer does what the problem demands of it , it is said to check . In this problem , the answer 13 checks be- cause 3 × 13 + 1 = 6 , just as the first equation ( or 3 x + 1 = 6 ) demands . WRITTEN EXERCISES Solve the following exercises ...
Σελίδα 9
... unknown letter . Check each answer . 1. 2x - 1 = 5 . 2. 2x + 1 = 5 . 3. 4x - 3 = 17 . 4. 5x + 3 = 18 . 5. 2x - 1 = 1 . 6. 1.2x + 2.3 = 4.7 11. 8r + .23 = .87 7. 5x − 1.5 = .75 12. 2-8-10 } . 8. 5x + .03 = .08 9. 11s - 3-5 . 10. t - 15 = 23 ...
... unknown letter . Check each answer . 1. 2x - 1 = 5 . 2. 2x + 1 = 5 . 3. 4x - 3 = 17 . 4. 5x + 3 = 18 . 5. 2x - 1 = 1 . 6. 1.2x + 2.3 = 4.7 11. 8r + .23 = .87 7. 5x − 1.5 = .75 12. 2-8-10 } . 8. 5x + .03 = .08 9. 11s - 3-5 . 10. t - 15 = 23 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
added algebra Appendix arithmetic Axiom ball called cents check your answer coefficient common denominator common factor common multiple completing the square cube diameter divisor Draw the graph equal EXAMPLE EXERCISES Solve figure Find the L. C. M. Find the number 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 metic miles an hour minuend monomial multiply negative numbers numerator and denominator ORAL EXERCISES parentheses perfect square polynomial quadratic quadratic equation quotient radicand radius ratio represents result Similarly Simplify simultaneous equations SOLUTION Solve the equation square root subtract subtrahend SUPPLEMENTARY EXERCISES surd triangle trinomial unknown letter weight wheel write WRITTEN EXERCISES x²y² yards
Δημοφιλή αποσπάσματα
Σελίδα 17 - The square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.
Σελίδα 235 - Then divide the first term of the remainder by the first term of the divisor...
Σελίδα 228 - A and B can do a piece of work in 10 days, A and C in 12 days, and В and C in 20 days.
Σελίδα 97 - 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 136 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.
Σελίδα 232 - 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 232 - ... subtract the product from the dividend, and to the remainder annex the next period for the next dividend.
Σελίδα 98 - 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 69 - Any term may be transposed from one side of an equation to the other provided its sign be changed.
Σελίδα 235 - Arrange the terms of the polynomial with reference to the consecutive powers of some letter. Extract the square root of the first term, write the result as the first term of the root, and subtract its square from the given polynomial.