7.R.1.a
Decide whether two quantities are in a proportional relationship (e.g., by testing for equivalent ratios in a table).
Example Problems
State whether the given table shows an exponential relationship, linear relationship or neither.
| x | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| y | 1 | 2 | 4 | 8 |
State whether the given table shows an exponential relationship, linear relationship or neither.
| x | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| y | 5 | 10 | 20 | 40 |
State whether the given table shows an exponential relationship, linear relationship or neither.
| x | 7 | 9 | 11 | 13 |
|---|---|---|---|---|
| y | -1 | 2 | 5 | 8 |
Khan Academy ResourcesIdentify proportional relationships from graphsIdentify proportional relationshipsInterpreting graphs of proportional relationshipsIntro to proportional relationshipsProportional relationships: bananasIs side length & area proportional?Identifying proportional relationships from graphsProportional relationships: graphsIntroduction to proportional relationshipsProportional relationships: spaghetti
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