Topics in an Algebra Course
To learn more about a topic listed below, click the topic name to go to the
corresponding MathWorld classroom page.
Coefficient |
A coefficient is a multiplicative factor such as the constant in front of a polynomial term. |
Geometric Mean |
The geometric mean of a set of n numbers is the value obtained by taking the nth root of their product. |
Infinity |
Infinity is an unbounded quantity greater than every real (and every whole) number. |
Quadratic Equation |
A quadratic equation is a polynomial equation in a single variable containing the square of the variable, but no higher powers. |
Quadratic Formula |
The quadratic formula is the formula x = (-b +/- sqrt(b^2 - 4*a*c))/(2*a) that gives the roots of a quadratic equation of the form a*x^2 + b*x + c = 0. |
Root |
For a mathematical function, a root is a set of arguments for which the function assumes the value of zero. |
Subset |
A subset is a portion of a set. Subsets can also consist of the entire set or be empty. |
Union |
The union of two or more sets is is the set consisting of the combination of all members of all set. |