Question | Answer |
Variable | A letter used to represent one or more numbers |
Values | Numbers |
Variable Expression | A collection of #'s, variables, and operations. |
Evaluating the Expression | Replacing each variable in an expression with a number. |
Unit Analysis | Writing units of each variable in a real life problem, in order to determine units for the answer. |
Variable Model | Translation of words into math |
Power | An expression of a number by the exponent |
Exponent | Number of times a base is used as a factor |
Base | A number or variable used as a factor in repeated multiplication |
Grouping Symbols | Problems that have more than one operation, grouping helps indicate order of operation |
Order of Operations | Starts with first grouping symbols, evaluate the powers. Then do the multiplication and division. Lastly addition and subtraction. |
Equation | Formed with an equal sign. (=) |
Open Sentence | An equation that contains one or more variable |
Solution of Equation | A number that when substituted for the variable in an EQUATION, results in a TRUE statement |
Solving the Equation | Finding the solution of an equation. |
Inequality | A sentence formed when an inequality symbol is placed in the middle |
Solution of Inequality | A number that when substituted for the variable in an INEQUALITY, results in a TRUE statement |
Modeling | Writing algebraic expressions, equations, or inequalities that represent real life. |
Mathematical Model | An expression, equation or inequality that represents a real life situation. |
Data | Information, facts or numbers used to prove/describe a given statement is false. |
Bar Graph | A graph that organized a collection of data by using horizontal or vertical bars to ddisplay how many times each event or # occurs. |
Line Graph | A graph that uses a line segment to connect data points.
It is useful for showing changes in data overtime. |
Function | A rule that established a relationship between two qualities (called input & output)
For each input, there is exactly one output. |
Input-Output Table | A table used to describe a function by listing the inputs & outputs |
Domain | The collection of all INPUT values |
Range | The collection of all OUTPUT data |
Output | Y-Value (Range) |
Input | X-Value (Domain) |