click below
click below
Normal Size Small Size show me how
Pre-Algebra Unit 1
Zaher's Linear Functions Vocabulary
| Question | Answer |
|---|---|
| Input | A value that are substituted into an equation. |
| Output | The value that results after a value is substituted into an equation. |
| Domain | All the values that go into a function. |
| Range | All the output values of a function. |
| Function | An equation that generates one specific value for a given value. |
| Linear Function | A function that creates a straight line when graphed. |
| Rate | A ratio of two different quantities that have different units of measure. |
| Unit Rate | A comparison of two different measurements where one of the terms is 1. |
| 65 MPH is an example of what? | Unit Rate |
| Coordinate Plane | 2 dimensional surface on which points are plotted and locateable. |
| How do you graph (4, 7)? | Starting at (0,0), go right 4 then up 7. Place your point here. |
| Proportional | When 2 quantities change at the same constant rate and pass through (0,0). |
| Non-Proportional | When 2 quantities change at different rates OR do not pass through (0,0) OR both of these. |
| Is the function y = 6x proportional or non-proportional? | Proportional |
| What is the y-intercept of y = 6x? | 0 |
| What is the slope of y = 6x? | 6 or 6/1 |
| What is the Rate of Change of y = 6x? | 6 or 6/1 |
| What is the formula for Rate of Change? | the difference in the y's over the differences in the x's |
| What is the formula for Slope? | the difference in the y's over the differences in the x's |
| What is the slope of y = -8x + 4 ? | -8 |
| What is the slope of y = x + 9 ? | 1 |
| What is the Rate of Change of y = -x + 11 ? | -1 |