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A1 2nd 6 Weeks Vocab
| Term | Definition |
|---|---|
| proportion | an equation that states two ratios are equal |
| rate | the ratio of 2 measurements having different units of measure |
| ratio | a comparison of 2 numbers |
| constant of variation | the number k in y = kx |
| direct variation | an equation of the form y = kx where k cannot equal 0 |
| linear equation | an equation of the form Ax + By = C, with a graph that is a straight line. |
| rate of change | how a quantity is changing with respect to a change in another quantity |
| slope | the ratio of the change in the y values to the corresponding change in the x values as you move from one point to another along a line |
| standard form | of a linear equation is Ax + By = C where A is not negative and A, B and C are all integers |
| x intercept | point where the graph crosses the x axis |
| y intercept | point where the graph crosses the y axis |
| negative slope | line descends from left to right |
| positive slope | line ascends from left to right |
| zero slope | horizontal line |
| undefined slope | vertical line |