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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 |