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 X-axis | The horizontal axis on a cartesian graph |
| Y-axis | The vertical axis on a cartesian graph |
| Acute angle | An angle less than 90 degrees but more than 0 degrees |
| Congruent | Same shape and same size |
| Reciprocal | A fraction that has been flipped. The reciprocal of 3/4 is 4/3. |
| Area | Surface space that is measured in square units. |
| Perimeter | The distance around the outside of a shape |
| circumference | The distance around a circle (perimeter) |
| Equation | A mathematical sentence that contains an equals sign. |
| Unit ratio | A ratio that shows the cost per unit of measure |
| Quadrant | One of four regions of a coordinate system bounded by the x-axis and y-axis |
| Ordered pair | A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane |
| Domain | A knowledge domain that you are interested in or are communicating about |
| Range | The set of possible numbers for the y-axis |
| Domain | The set of possible numnbers for the x-axis |
| Variable | A letter or a symbol that represents a number in an alebraic expression |
| Order of operations | Parentheses, exponents, multiplication, division, addition, subtraction |
| Mathematical model | An expression, equation, or inequality of a real-life situation |
| Coefficient | The number in front of the variable with no sign in between |
| Scatter plot | A graph that displays two sets of data as ordered pairs (points) |
| Best fit line or trend line | A linear model that best fits the data |
| Correlation | How well a line would fit data points... Can be: 1. strong or weak 2. positive or negative |
| Pbtuse angle | an angle that measures greater than 90 degrees and less than 180 degrees |