Algebra - Variables And Expressions Quiz

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Algebra - Variables And Expressions Quiz - Quiz

Hone your math skills with this algebra - variables and expressions quiz. For those of you who love all things mathematics, especially graphs and algebra that measure the strength of materials, then this is the quiz for you. If you are preparing for exams and want to test your knowledge, these questions will help you test as well as better your knowledge and skills in math. Wish you good luck, and enjoy your time.


Questions and Answers
  • 1. 

    What is the algebraic expression to represent m divided by 3

    • A.
    • B.
    • C.

      3m

    • D.

      M3

    Correct Answer
    B.
    Explanation
    The correct answer is m/3. This expression represents the division of m by 3.

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  • 2. 

    What is the algebraic expression to represent two lots of p

    Correct Answer
    A.
    Explanation
    The algebraic expression to represent "two lots of p" is 2p. This means that p is being multiplied by 2, resulting in twice the value of p.

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  • 3. 

    What is the algebraic expression to represent y less than twenty

    • A.

      Y + 20

    • B.

      Y - 20

    • C.

      20 + y

    • D.

      20 - y

    Correct Answer
    D. 20 - y
    Explanation
    The algebraic expression that represents "y less than twenty" is 20 - y. This is because when we say "y less than twenty," we mean that y is subtracted from twenty. So, the expression is written as 20 - y.

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  • 4. 

    A ___________________ describes an unknown amount in an algebraic expression or equation. It can be represented by letters or symbols (e.g., a, y) and can be called numerals (which means 'in place of a number).

    • A.

      Coefficient

    • B.

      Constant

    • C.

      Equation

    • D.

      Expression

    • E.

      Term

    • F.

      Variable

    Correct Answer
    F. Variable
    Explanation
    A variable is used to represent an unknown amount in an algebraic expression or equation. It can be represented by letters or symbols (e.g., a, y) and is often referred to as a numeral, meaning it stands in place of a number. Variables allow for flexibility and generalization in mathematical calculations and problem-solving.

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  • 5. 

    The following are examples of  ___________________ .

    • A.

      Coefficients

    • B.

      Constants

    • C.

      An equation

    • D.

      An expression

    • E.

      Terms

    • F.

      Variables

    Correct Answer
    E. Terms
    Explanation
    The given examples are all related to mathematical expressions. In mathematics, a term is a component of an expression that is separated by addition or subtraction. It can be a constant, a variable, or a combination of both. Therefore, the correct answer is "terms" because it encompasses all the other options and represents the individual components of an expression.

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  • 6. 

    8x means that x is multiplied 8 times.  The number in front of the term x is called the _______________.

    • A.

      Coefficient

    • B.

      Constant

    • C.

      An equation

    • D.

      An expression

    • E.

      Term

    • F.

      Variable

    Correct Answer
    A. Coefficient
    Explanation
    The number in front of the term x in the expression 8x is called the coefficient.

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  • 7. 

    A number that is written by itself is called a _______________. E.g. in the expression 3x + 6, the 6 is a _____________.

    • A.

      Coefficient

    • B.

      Constant

    • C.

      An equation

    • D.

      An expression

    • E.

      Terms

    • F.

      Variable

    Correct Answer
    B. Constant
    Explanation
    A number that is written by itself is called a constant. In the given expression 3x + 6, the 6 is a constant because it is a fixed value that does not change regardless of the value of x. It is not a coefficient, equation, expression, term, or variable as those have different meanings in mathematics.

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  • 8. 

    Two expressions joined together by an equals sign is E.g.  3x + 6 = 2x - 4.

    • A.

      Coefficients

    • B.

      Constants

    • C.

      An equation

    • D.

      An expression

    • E.

      Terms

    • F.

      Variables

    Correct Answer
    C. An equation
    Explanation
    An equation is a mathematical statement that contains an equals sign, where two expressions are joined together. In the given example, "3x + 6 = 2x - 4," we have two expressions on either side of the equals sign, making it an equation. The equation represents a relationship between the variables (x) and their coefficients (3 and 2), as well as the constants (6 and -4) involved.

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  • 9. 

    When two or more terms are added or subtracted together, it creates ___________________. E.g. 3x + 4y

    • A.

      Coefficients

    • B.

      Constants

    • C.

      An equation

    • D.

      An expression

    • E.

      Terms

    • F.

      Variables

    Correct Answer
    D. An expression
    Explanation
    When two or more terms are added or subtracted together, it creates an expression. In the given example, 3x and 4y are terms that are added together to form the expression 3x + 4y. An expression is a mathematical phrase that can contain variables, coefficients, and constants. It represents a value or a quantity, but it is not an equation as it does not have an equal sign.

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  • 10. 

    What is the algebraic expression to represent ten more than x?

    • A.

      10x

    • B.

      X - 10

    • C.

      X + 10

    • D.

      X - 90

    Correct Answer
    C. X + 10
    Explanation
    The algebraic expression that represents ten more than x is x + 10. This is because the question asks for "ten more than x," which means adding 10 to x.

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  • Current Version
  • Aug 28, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 03, 2013
    Quiz Created by
    Brad75
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