Algebra

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  1. 1. In mathematics, a variable is a symbol, typically a letter, that refers to an unspecified mathematical object
  2. 4. a mathematical expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication and exponentiation to nonnegative integer powers, and has a finite number of terms.
  3. 5. In mathematics, a quadratic equation is an equation that can be rearranged in standard form as where the variable x represents an unknown number, and a, b, and c represent known numbers, where a ≠ 0
  4. 7. An equation that can be rearranged in standard form as where the variable x represents an unknown number, and a, b, and c represent known numbers, where a ≠ 0
  5. 8. value the absolute value or modulus of a real number, denoted, is the non-negative value of without regard to its sign
  6. 9. In mathematics, a coefficient is a multiplicative factor involved in some term of a polynomial, a series, or any other type of expression
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  1. 2. Equation an equation that may be put in the form where are the variables, and are the coefficients, which are often real numbers.
  2. 3. In mathematics, the word constant conveys multiple meanings.
  3. 6. a relationship or expression involving one or more variables.
  4. 10. In mathematics, exponentiation, denoted bⁿ, is an operation involving two numbers: the base, b, and the exponent or power, n.