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  2. Word equation - Wikipedia

    en.wikipedia.org/wiki/Word_equation

    A word equation is a formal equality:= = between a pair of words and , each over an alphabet comprising both constants (c.f. ) and unknowns (c.f. ). [1] An assignment of constant words to the unknowns of is said to solve if it maps both sides of to identical words.

  3. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    The roots of the quadratic function y = ⁠ 1 / 2 ⁠ x 2 − 3x + ⁠ 5 / 2 ⁠ are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.

  4. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    In mathematics, a quadratic equation (from Latin quadratus 'square') is an equation that can be rearranged in standard form as [1] + + =, where the variable x represents an unknown number, and a, b, and c represent known numbers, where a ≠ 0. (If a = 0 and b ≠ 0 then the equation is linear, not quadratic.)

  5. 10 Hard Math Problems That Even the Smartest People in the ...

    www.aol.com/10-hard-math-problems-even-150000090...

    Since you've known these numbers since grade school, stating the conjectures is easy. When two primes have a difference of 2, they’re called twin primes. So 11 and 13 are twin primes, as are 599 ...

  6. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

  7. Hilbert's eleventh problem - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_eleventh_problem

    A quadratic form (not quadratic equation) is any polynomial in which each term has variables appearing exactly twice. The general form of such an equation is ax 2 + bxy + cy 2. (All coefficients must be whole numbers.) A given quadratic form is said to represent a natural number if substituting specific numbers for the variables gives the ...

  8. 3 women shot after discussion over politics; no arrest made ...

    www.aol.com/3-women-shot-discussion-over...

    Police in Miami are investigating after officials said three women were shot during an argument over politics early Wednesday, the day after Election Day.

  9. Mega Millions jackpot climbs to $514 million ahead of ... - AOL

    www.aol.com/mega-millions-jackpot-climbs-514...

    The Mega Millions jackpot has reached an estimated $514 million, with the next drawing coming up at 11 p.m. ET on Nov. 29, the day after Thanksgiving. The cash payout is $241 million.

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