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Solutions
8 Videos

A fruit stand sells apples for $0.25 each.

a. Describe the relation between cost and number of apples bought using a graph, a table, or an equation.

b. Which variable is independent and which is dependent?

c. Is the set of data continuous or discrete?

d. Determine the cost of 150 apples.

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3.10mins

Q1

Gill rents a car for $45/day plus $0.15/km. Is the relation between distance and cost linear? Use a table to support your answer.

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1.44mins

Q2

Is the following describe a

- linear or non linear?
- direct or partial variation?

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0.40mins

Q3

What is the slope of the line between points `(0, 4)`

and `(3, - 1)`

?

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0.27mins

Q4

What is the rate of change of the stretch of a spring with a weight attached?

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0.33mins

Q5

George is going 6km on foot. He can run at 4km/h and walk at 2km/h.

a. Explain why `4x + 2y = 6`

models the distance he will travel. What do `x`

and `y`

represent?

b. How long would it take him to run all the way and to walk all the way?

c. Graph the combinations of times that he could walk and run.

d. Determine three combinations of times that George could walk and run.

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4.08mins

Q6

Identify the relation between the figure number and the number of squares as linear or nonlinear. Use a table of values, a graph, and an equation to support your answer.

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0.22mins

Q7a

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0.28mins

Q7b