Q:

What is the roster method in algebra?

A:

In algebra, the roster method defines sets by clearly listing each of the individual elements of the set. The elements of the set are enclosed in curled brackets and each of these elements is separated by a comma.

The roster method is used to define sets in algebra. A set is any collection of objects. According to Regents Exam Preparation Center at Oswego City School District in New York, the items contained within a set are called elements, and the elements in a set do not repeat.

According to Math-for-all-grades, a mathematics educational website, capital letters are used for denoting sets, whereas small letters are used for denoting elements of the set in curly brackets.

According to the roster method, the set of vowels would be represented as follows:

      V = {a, e, i, o, u}

Here, the capital letter V represents the set of vowels in English. The elements, that is, vowels, are denoted by small letters. These vowels are separated by commas and enclosed in curly brackets.

The set of first five even numbers is represented by the roster method as follows:

   A = {2, 4, 6, 8, 10}

Here, the elements of the set are numerical and not alphabetical.

Learn More

Related Questions

  • Q:

    What is a formula equation?

    A:

    A formula equation is a visual representation of a reaction using chemical formulas. A chemical formula is an expression that states the number and types of atoms that make up any given molecule using the symbols for the elements and sub-scripted numbers.

    Full Answer >
    Filed Under:
  • Q:

    How does one define "polynomial function"?

    A:

    A polynomial function is a mathematical function that consists of one or more variables to which multiple exponents and coefficients are applied. Each combination of variables, exponent and coefficient is called a term. A polynomial does not contain any negative exponents, radical variables or division of any kind, including fractions.

    Full Answer >
    Filed Under:
  • Q:

    What is a unitary matrix?

    A:

    A unitary matrix is a matrix that when multiplied by its complex conjugate transpose matrix, equals the identity matrix. This implies that the complex conjugate transpose of a matrix is equal to the inverse of the unitary matrix. Unitary matrices have several applications in different fields of science and engineering, such as quantum mechanics.

    Full Answer >
    Filed Under:
  • Q:

    What is a real-life example where slope is used?

    A:

    A real-life example that uses slope is determining how someone's savings account balance has increased over time. When determining the rate at which the account has increased, the account owner is calculating the slope of the line that shows the changes in the account's balance.

    Full Answer >
    Filed Under:

Explore