Form 7: Non-Proportional Scenarios & Offsets Exercise

Form 7: Non-Proportional Scenarios & Offsets

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Form 7: Non-Proportional Scenarios & Offsets

Explore scenarios with initial values or offsets that prevent relationships from being strictly proportional. Practice identifying non-proportional models and non-zero starting points.

Questions

  1. MultiChoice

    A gym charges $20 joining fee plus $15 per month. Is total cost proportional to months?

  2. MultiChoice

    A cell phone plan is $30/month flat fee for unlimited data. Proportional to data used?

  3. MultiChoice

    Plumber charges $50 call-out fee plus $40 per hour. Proportional to hours?

  4. MultiChoice

    Temperature in Fahrenheit vs Celsius: F = 1.8C + 32. Are F and C proportional?

  5. MultiChoice

    Age of elder sibling (A) vs younger sibling (B) born 3 years later: A = B + 3. Proportional?

  6. MultiChoice

    Perimeter of a square P = 4s vs side length s. Is P proportional to s?

  7. MultiChoice

    Area of a square A = s^2 vs side length s. Is Area proportional to s?

  8. MultiChoice

    Bakery charges $2 per cupcake with $3 box fee. Proportional to number of cupcakes?

  9. MultiChoice

    Taxi ride: $2.50 base charge + $2.00/mile. Is total fare proportional to miles?

  10. MultiChoice

    Savings account starting with $100, adding $10 each week. Is total savings proportional to weeks?

  11. MultiChoice

    A car rental costs $40 per day with no extra fees. Is total cost proportional to days?

  12. MultiChoice

    Water tank has 50 gallons and drains at 2 gallons/min. Is water left proportional to time?