New School Algebra |
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... solving quadratic equations by resolv- ing them into factors are given on pages 272 and 273 . A five - place table of logarithms is placed at the end of the book instead of a four - place table . Five - place loga- rithms are in common ...
... solving quadratic equations by resolv- ing them into factors are given on pages 272 and 273 . A five - place table of logarithms is placed at the end of the book instead of a four - place table . Five - place loga- rithms are in common ...
Page 16
... Solve an Equation with One Unknown Number is to find the unknown number ; that is , to find the number which , when ... solving an equation , we make use of the following self - evident truths , called axioms : Ax . 1. If equal ...
... Solve an Equation with One Unknown Number is to find the unknown number ; that is , to find the number which , when ... solving an equation , we make use of the following self - evident truths , called axioms : Ax . 1. If equal ...
Page 18
... Solve 3 x = 7 14 4 x . - Transpose - 4x to the left side and -7 to the right side , 3x + 4x14 +7 . Combine , Divide by 7 , 7x = 21 . x = 3 . 2. Solve the equation ( § 53 ) ( § 49 ) ( Ax . 4 ) 1-4 ( x - 2 ) = 7x - 3 ( 3x - 1 ) . Multiply ...
... Solve 3 x = 7 14 4 x . - Transpose - 4x to the left side and -7 to the right side , 3x + 4x14 +7 . Combine , Divide by 7 , 7x = 21 . x = 3 . 2. Solve the equation ( § 53 ) ( § 49 ) ( Ax . 4 ) 1-4 ( x - 2 ) = 7x - 3 ( 3x - 1 ) . Multiply ...
Page 76
... solving examples in multi- plication : Raise the numerical coefficient to the required power , and multiply the exponent of each letter by the exponent of the required power . Thus the square of 7 a2b6 is 49 a1b12 ̧ EXERCISE 28 . Write ...
... solving examples in multi- plication : Raise the numerical coefficient to the required power , and multiply the exponent of each letter by the exponent of the required power . Thus the square of 7 a2b6 is 49 a1b12 ̧ EXERCISE 28 . Write ...
Page 82
... solving examples in division : Find the required root of the numerical coefficient , and divide the exponent of each letter by the index of the re- quired root . Thus , the square root of 25 x2y1 is 5 xy2 . 116. Difference of Two ...
... solving examples in division : Find the required root of the numerical coefficient , and divide the exponent of each letter by the index of the re- quired root . Thus , the square root of 25 x2y1 is 5 xy2 . 116. Difference of Two ...
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Common terms and phrases
9 x² a²b a²b² a²x² ab² ab³ arithmetical arithmetical mean arithmetical series ax² binomial called cent change the sign coefficient cologarithm common factor Compound Expressions cube root denominator difference digits Divide dividend divisible divisor equal equation exact divisor EXERCISE exponent Extract the square feet Find the H. C. F. Find the number Find the sum find the value fraction geometrical series given number greater number harmonical series Hence highest common factor integral number logarithm mantissa miles an hour monomial Multiply negative number number of dollars number of terms parenthesis positive integer quadratic quotient ratio remainder Resolve into factors smaller number Solve square root Subtract surd THEOREM Transpose unknown numbers x²y x²y² xy² yards ΙΟ ах у² х² ху ху²
Popular passages
Page 330 - There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans.
Page 10 - If an expression within a parenthesis is preceded by the sign +, the parenthesis may be removed without making any change in the signs of the terms of the expression.
Page 316 - The area of a circle varies as the square of its radius, and the area of a circle whose radius is 1 foot is 3.1416 square feet.
Page 166 - A person has a hours at his disposal. How far may he ride in a coach which travels b miles an hour, so as to return home in time, walking back at the rate of с miles an hour?
Page 370 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
Page 23 - Two men start from the same place and travel in the same direction ; one, 5 miles an hour ; the other, 7 miles an hour.
Page 56 - To multiply a polynomial by a monomial, multiply each term of the polynomial by the monomial and add the partial products: (6a — 3ft) x 3c = 18uc -96c.
Page 172 - If necessary, multiply the given equations by such numbers as will make the coefficients of one of the unknown numbers in the resulting equations of equal absolute value.
Page 317 - The volume of a sphere varies as the cube of its radius. If the...
Page 36 - From these four cases we see that subtracting a positive number is equivalent to adding an equal negative number ; and that subtracting a negative number is equivalent to adding an equal positive number.