21074032
Description
Mind Map by lizabeth rawson, updated more than 1 year ago
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Created by lizabeth rawson
almost 6 years ago
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direct and inverse proportion
- if 2 things are directly proportionate, increasing one will increase the other proportionately
- if 2 things are inversely proportionate, increasing one quantity cause the other to
decrease proportionately eg if c is doubled, then d is halved
- this is how you can show proportionality
- these are some other proportion expressions
- proportion equations can be easily graphed
- to do algebraic proportion
- write the proportion as an equation
- find a pair of values and substitute them to find k
- put the value of k into the equation so it is ready to use
- they will ask you to fin y if you have been given you a value of x or vice versa
- they will ask you to fin y if you have been given you a value of x or vice versa
- put the value of k into the equation so it is ready to use
- find a pair of values and substitute them to find k
- write the proportion as an equation
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