Zusammenfassung der Ressource
Proportion
- ALWAYS...
- 1. Write down the statement of proportionality and then the formula
- 2. Substitute the values you are given
- 3. Solve the equation to find k
- 4. Write down the formula using the value of k
- 5. Use your formula to find any unknown values
- Two quantities are in DIRECT PROPORTION when
both quantities increase at the same rate
- Two quantities are in INDIRECT PROPORTION when one
quality increases at the same as the other quality decreases
- DIRECT PROPORTION graphs
- -Straight line
- Passes through the origin
- K is the gradient of the line