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ch 6 vocab
linear equations
Question | Answer |
---|---|
What does slope mean in terms of two given points? | m= (y2-y1)/(x2-x1) |
What is slope in terms of rise and run? | The ratio rise to run |
What is the slope intercept formula of an equation of a linear function? | y = mx + b |
slope formula | m |
slope intercept form | y |
point-slope formula | y-y1 |
equation of horizontal line | y |
equation of vertical lines | x |
midpoint formula | (x1+x2 over 2, y1+y2 over 2) |
distance formula | square root of (x2-x1)squared+ (y2-y1)squared |
horizontal lines slopes | 0 slope |
vertical line slopes | no slope (undefined) |
parallel lines | have the same slope |
perpendicular lines | have negative reciprocal slopes |
definition of slopes | rise over run (change in y over change in x) |
when would you use rise over run?? | use on a graph of a line |
when would you use the slope formula?? | when you dont have a graph and only given the ordered pair |