Term | Definition |
Variables | Letters used to represent a number. |
Algebraic expression | A combination of variables and numbers using the operations of addition, subtraction, multiplication, division, as well as powers or roots. |
Evaluate | Find the value of an expression. |
Terms | The parts of an expression that are separated by addition/subtraction. |
Coefficient | The numerical part of a term. |
Like terms | Terms that have the same variables with the same exponents on the variables. |
Simplified | When parentheses have been removed and all like terms have been combined. |
Equation | Two algebraic expressions joined by an equal sign. |
Solving an equation | The process of finding the set of numbers that will make the equation a true statement. |
Solution | The numbers that make an equation true. |
Ratio | Comparing quantities by division. |
Proportion | A statement that says that two ratios are equal. |
Direct variation | As one quantity increase, the other increases. |
Indirect variation | As one quantity increase, the other decreases. |
Quadratic equation | An equation in the form of ax^2 + bx + c = 0 |
Binomial | A simplified algebraic expression that contains two terms in which the variables have whole number exponents. |
Trinomial | A simplified algebraic expression that contain three terms in which the variables have whole number exponents. |
Zero-Product property | If the product of two factors is zero, then at least one of the factors must be zero. |
Quadratic formula | A formula that allows you to find solutions to any quadratic equation. |