Practice Applications Of Linear Equations (5) - Linear Equations - IB 10 Mathematics

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6 sample questions

Question 1.
Write the equation for a phone plan with a $15 base fee and $0.60 per minute.
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Consider how the base fee contributes to the total cost.
Question 2.
If you drive at 50 km/h for 3 hours, how far do you go?
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Use the formula d = st.
3Question 3.
What linear equation represents the cost of a phone call that has a $10 base and costs $0.50 per minute?
- C = 0.5m + 10
- C = 10m + 0.5
- C = 0.5 + 10m
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Look at the fixed and variable components.
4Question 4.
True or False: The motion equation d = st implies that distance is directly proportional to time.
- True
- False
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Consider what happens when you increase time.
Question 5.
A gym membership has a $50 initiation fee and a monthly fee of $30. Write an equation for the total cost after 6 months and calculate.
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Substitute the number of months into the equation and calculate.
Question 6.
A bike rental company charges $5 per hour plus a one-time fee of $10. Write the equation and calculate the cost for renting for 4 hours.
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Plug in the number of hours into the equation.

5 more questions in this section. Enroll free to practise them all.