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Algebra Vocabulary
math vocab
Term | Definition |
---|---|
Quadratic Equation | an equation of the second degree. |
Imaginary Numbers | a number that is expressed in terms of the square root of a negative number. |
Zeros of a Function | solutions of the equation f(x)=0. |
Linear Quadratic System | a system of equations involving linear and quadratic equations. |
Discriminant | b²-4ac, tells the number of solutions. |
Completing the Square | the process of adding (b/2)^2 to ax^2 + bx. |
Radical Expression | any expression containing a radical. |
Zero Product Property | for all real numbers a and b, if ab=o then a =0 or b=0. |
Standard Form of a Quadratic Equation | an equation of the form ax² + bx + c=0. |
Complex Number | a number of the from a+bi where a and b are real numbers and i is an imaginary number (c). |
Square Root Function | a function of the form f(x)=√ x. |
Average Rate of Change | the average rate one quantity changes with respect to another. |
Cube Root Function | a function of the form ∛ x. |
Domain | the set of all possible inputs for a function. |
Range | the set of all possible outputs for a function. |
Composite Functions | when the rules of one function are applied to another function. |