A School AlgebraGinn, 1891 - 362 páginas |
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Términos y frases comunes
a+b)² a+b+c a²b a²b² ab² ab³ algebraic numbers arithmetical arithmetical series ax² binomial called cent coefficient cologarithm common factor common logarithms commutative law Complete the square compound expression cube root cubic units decimal difference digits dividend division divisor equal Exercise exponent Extract the square feet Find the H. C. F. Find the number find the value fraction given number Hence imaginary index law integral number logarithm mantissa means miles an hour monomial Multiply negative number number of dollars number of terms obtained parenthesis perfect square quadratic equation quotient radical ratio Reduce remainder represented Resolve into factors result second term Simplify Solve the equation square root stands Subtract surd Transpose trinomial unknown number x²y² yards
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Página 295 - The equation ad = be gives a — -£, b = — ; so that an d с extreme may be found by dividing the product of the means by the other extreme ; and a mean may be found by dividing the product of the extremes by the other mean.
Página 295 - If the product of two numbers is equal to the product of two others, either two may be made the extremes of a proportion and the other two the means. For, if ad = be, then, dividing by bd, ad_ be bd~bd' ac or j- — -
Página 344 - 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.
Página 309 - The distance a body falls from rest varies as the square of the time it is falling.
Página 61 - It becomes necessary in solving an equation to bring all the terms that contain the symbol for the unknown number to one side of the equation, and all the other terms to the other side. This is called transposing the terms. We will illustrate by examples : 1. Find the number for which x stands when...
Página 117 - The least common multiple of two or more numbers is the least number that is exactly divisible by each of them.
Página 255 - It will be seen that this third term is the square of the quotient obtained from dividing the second term by twice the square root of the first term.
Página 120 - To reduce a fraction to its lowest terms. A Fraction is in its lowest terms when the numerator and denominator are prime to each other. 1. Reduce - to its lowest terms.
Página 308 - Given that the area of a circle varies as the square of its radius...
Página 83 - NOTE. It is important to notice in the above examples that the terms of the quotient are all positive when the divisor is a — b, and alternately positive and negative when the divisor is a + b...