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Proportional versus Non-proportional relationships

Posljednje ažuriranje about 6 years ago

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Pitanje 1

1.

Does the following table show a proportional or non-proportional relationship and how do you know? Also, what is the rate of change?

Pitanje 2

2.

Does the following graph show a proportional or non-proportional relationship and how do you know? Also, what is the rate of change shown in this graph?

Pitanje 3

3.

The cost y (in dollars) for x ounces of peanuts is represented by the equation y =0.23x. The cost y (in dollars) for x ounces of pecans is represented by the equation y =0.45x. Which statement is true? Select all that apply.

The cost for peanuts is greater than the cost for pecans.

The cost for 8 ounces of pecans is $3.60.

The cost for peanuts is $0.22 per ounce less than the cost for pecans.

The cost for 8 ounces of peanuts is $3.60.

Pitanje 4

4.

Organize the following equations as proportional or non-proportional relationships. Make sure to organize all the equations.

Proportional Relationship
Non-Proportional Relationships

Pitanje 5

5.

The table, the equation, and the graph show the rates at which three different students read in words per minute . Which student reads faster?

Student A reads faster

Student B reads faster

All the students read at the same rate

Student C reads faster

Pitanje 6

6.

The price of strawberries at Fine Foods is shown in the graph . At Best Market, the price y for x pounds of strawberries is given by y =2.9x. Which store sells strawberries at a cheaper unit price?