Algebra Definitions

Essential definitions in Algebra

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  1. It is a letter (or symbol) that stands for a number

    2.

    Missing Word
    Correct Answer:
    variable

    Explanation

    One of the major differences between arithmetic and algebra is the use of variables.  The word variable is based on the root word vary, which means change or changing.

    Reference

    Mathematics for college students

  2. A number that does not change its value

    3.

    Missing Word
    Correct Answer:
    constant

    Explanation

    In the notation 2c, the number 2 is an example of a constant because it does not change value

    Reference

    Mathematics for college students

  3. A combination of variables and numbers using arithmetic operations

    4.

    Missing Word
    Correct Answer:
    algebraic expression

    Explanation

    Variables and numbers can be combined with the operations of addition, subtraction, multiplication, and division to create algebraic expressions.  Algebraic expressions are simply called expressions.

    Reference

    Mathematics for college students

  4. A product or quotient of numbers and/or variables.

    5.

    Missing Word
    Correct Answer:
    term

    Explanation

    A term is a product or quotient of numbers and/or variables. A single number or variable is also a term. Examples of terms are:

    4,   6a,   -w3,   4.6x6,   3/n  ,  -16acd2

    Reference

    Concepts of Programming languages, 10th ed

  5. The numerical factor of a term in algebraic expression

    6.

    Missing Word
    Correct Answer:
    coefficient

    Explanation

    Coefficients in this expression 6a - 7b + 9 are 6 and -7

    Reference

    Mathematics for college students

  6. A term in algebraic expression such as 6, that consists of a single number

    7.

    Missing Word
    Correct Answer:
    constant term

    Reference

    Mathematics for college students



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