Direct and Partial Variation - Real-World Modelling
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
Is "Cost=$4×number of tickets" direct or partial variation?
📘 Worked solution
✓There is no fixed fee, so the line passes through the origin, which is the test for direct variation.
And one from the hard end
"A courier service's cost varies with weight. A table shows: 2kg=$13, 4kg=$21, 6kg=$29. Determine whether this is direct or partial variation, and find the equation."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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