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7.2.5

Last updated over 1 year ago
11 questions
5

1. The table represents the relationship between a length measured in meters and the same length measured in kilometers.
a) Complete the table.

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1b. Write an equation for converting the number of meters to kilometers. Use x for number of meters and y for number of kilometers.

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2. Concrete building blocks weigh 28 pounds each. Using b for the number of concrete blocks and w for the weight. Choose the two equations that are correct. One equation should begin with w= and the other should begin with b=

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3. A store sells rope by the meter. The equation p=0.8L represents the price p (in dollars) of a piece of nylon rope that is L meters long.

a) How much does the nylon rope cost per meter?

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3b. How long is a piece of nylon rope that costs $1.00?

p=0.8L

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4. The table represents a proportional relationship.

Find the constant of proportionality.

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4. The table represents a proportional relationship.

Write an equation to represent the relationship. Use a & y.

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5. On a map of Chicago, 1cm represents 100m. Select ALL statements that express the same scale.

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An albatross is a large bird that can fly 400 kilometers in 8 hours at a constant speed. Using d for distance in kilometers and t for number of hours, an equation that represents this situation is
d=50t.

1. What are two constants of proportionality for the relationship between distinance in kilometers and number of hours?

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What is the relationship between these two values?

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Exit Ticket
2. Choose another equation that relates d an t in this context.