Elementary Algebra: First[-second] Year Course, Βιβλίο 2Macmillan Company, 1916 |
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Σελίδα 2
... find the sum of the absolute values and prefix the common sign . If similar terms have unlike signs , find the difference of the absolute values and prefix the sign of the one which has the greater absolute value . If the terms are ...
... find the sum of the absolute values and prefix the common sign . If similar terms have unlike signs , find the difference of the absolute values and prefix the sign of the one which has the greater absolute value . If the terms are ...
Σελίδα 3
... addition . Check by substituting numerals for the letters . In what other way may subtraction be checked ? WRITTEN EXERCISES 4. Find the sum of : 1. 7a - 3b6c ; 4a + 5b - 12 c ; 6a + 2b + 3c . - 2. 4x2 - 3x2y - 4 xy2 ; 3x2y - 8xy2-8x2 ...
... addition . Check by substituting numerals for the letters . In what other way may subtraction be checked ? WRITTEN EXERCISES 4. Find the sum of : 1. 7a - 3b6c ; 4a + 5b - 12 c ; 6a + 2b + 3c . - 2. 4x2 - 3x2y - 4 xy2 ; 3x2y - 8xy2-8x2 ...
Σελίδα 18
... sum of two numbers is 180 and their difference is 12. Find the numbers . 2. One number is 27 more than another . What are the numbers ? 143 . Their sum is 3. Of two numbers , twice the greater exceeds three times the smaller by 4 ; but ...
... sum of two numbers is 180 and their difference is 12. Find the numbers . 2. One number is 27 more than another . What are the numbers ? 143 . Their sum is 3. Of two numbers , twice the greater exceeds three times the smaller by 4 ; but ...
Σελίδα 19
... total value of the coins is $ 3.60 . How many of each kind are there ? 11. Some ... Find its dimensions . 13. It costs as much to sod a square piece of ground ... sum of the two investments is $ 6420 . How much is invested at 6 % ? 17. A ...
... total value of the coins is $ 3.60 . How many of each kind are there ? 11. Some ... Find its dimensions . 13. It costs as much to sod a square piece of ground ... sum of the two investments is $ 6420 . How much is invested at 6 % ? 17. A ...
Σελίδα 52
... Find two consecutive numbers whose product is 992 . 2. Find the length and breadth of a rectangle whose area is 375 sq . in . , and whose length exceeds its breadth by 10 in . 3. Express 71 as the sum ... Determine the length of a side of the ...
... Find two consecutive numbers whose product is 992 . 2. Find the length and breadth of a rectangle whose area is 375 sq . in . , and whose length exceeds its breadth by 10 in . 3. Express 71 as the sum ... Determine the length of a side of the ...
Άλλες εκδόσεις - Προβολή όλων
Elementary Algebra: First[-Second] Year Course, Volume 1 - Primary ..., Τόμος 1 Florian Cajori,Letitia Rebekah Odell Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2013 |
Συχνά εμφανιζόμενοι όροι και φράσεις
a²b² a²x² a³x ab² addition and subtraction arithmetical means arithmetical series ax² ax³ binomial BINOMIAL THEOREM called coefficients commutative law complete divisor completing the square coördinates cube root decimal places digits Divide both sides dividend exponent Find the h. c. f. Find the square Find the sum fixed number formula geometrical series given equation Hence Hindu-Arabic numerals imaginary numbers inches linear equation locates the point logarithms mantissa Multiply negative numbers nth root number of terms obtain parenthesis preceded Perform the indicated polynomial positive integer positive numbers principal root quadratic equation quotient radical rational integral expression remainder Simplify solution Solve square root Substitute theorem tions trial divisor Type form Univ variable weight WRITTEN EXERCISES zero
Δημοφιλή αποσπάσματα
Σελίδα 5 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Σελίδα 83 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 37 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 111 - The logarithm of a quotient is equal to the logarithm of the dividend minus the logarithm of the divisor.
Σελίδα 194 - A person engaged to work a days on these conditions: for each day he worked he was to receive b cents, and for each day he was idle he was to forfeit с cents. At the end of a days he received d cents. How many days was he idle?
Σελίδα 5 - Multiply each term of the multiplicand by each term of the multiplier, and add the partial products.
Σελίδα 181 - In each succeeding term the coefficient is found by multiplying the coefficient of the preceding term by the exponent of a in that term, and dividing by the number of the preceding term.
Σελίδα 35 - Both terms of a fraction may be divided by the same number without changing the value of the fraction.
Σελίδα 86 - Why is va function of t ? 2. The area of a circle is given by the formula A = irr2.
Σελίδα 22 - The positive square root of a number is called the principal square root.