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  2. Solution in radicals - Wikipedia

    en.wikipedia.org/wiki/Solution_in_radicals

    A solution in radicals or algebraic solution is an expression of a solution of a polynomial equation that is algebraic, that is, relies only on addition, subtraction, multiplication, division, raising to integer powers, and extraction of n th roots (square roots, cube roots, etc.). A well-known example is the quadratic formula

  3. Nested radical - Wikipedia

    en.wikipedia.org/wiki/Nested_radical

    The nested radicals in this solution cannot in general be simplified unless the cubic equation has at least one rational solution. Indeed, if the cubic has three irrational but real solutions, we have the casus irreducibilis , in which all three real solutions are written in terms of cube roots of complex numbers.

  4. Equation solving - Wikipedia

    en.wikipedia.org/wiki/Equation_solving

    Two other solutions are x = 3, y = 6, z = 1, and x = 8, y = 9, z = 2. There is a unique plane in three-dimensional space which passes through the three points with these coordinates , and this plane is the set of all points whose coordinates are solutions of the equation.

  5. Elementary algebra - Wikipedia

    en.wikipedia.org/wiki/Elementary_algebra

    The graph of the logarithm to base 2 crosses the x axis (horizontal axis) at 1 and passes through the points with coordinates (2, 1), (4, 2), and (8, 3). For example, log 2 (8) = 3, because 2 3 = 8. The graph gets arbitrarily close to the y axis, but does not meet or intersect it.

  6. Radical of an integer - Wikipedia

    en.wikipedia.org/wiki/Radical_of_an_integer

    In number theory, the radical of a positive integer n is defined as the product of the distinct prime numbers dividing n. Each prime factor of n occurs exactly once as a factor of this product: r a d ( n ) = ∏ p ∣ n p prime p {\displaystyle \displaystyle \mathrm {rad} (n)=\prod _{\scriptstyle p\mid n \atop p{\text{ prime}}}p}

  7. Richard Kovacevich - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/richard-kovacevich

    From January 2008 to December 2012, if you bought shares in companies when Richard Kovacevich joined the board, and sold them when he left, you would have a -4.5 percent return on your investment, compared to a -2.8 percent return from the S&P 500.

  8. Nassau County flags not lowered to half-staff for Jimmy Carter

    www.aol.com/news/nassau-county-flags-not-lowered...

    MINEOLA, N.Y. — A Republican official who oversees Nassau County on New York's Long Island has seemingly refused to lower flags to half-staff in memory of the late Democratic President Jimmy ...

  9. An elderly New York City woman fought off four potential robbers on New Year’s Day.. Linda Rosa, a retired MTA worker from East New York in Brooklyn, was on her way to a church service on ...