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Four students were discussing how to find the unit rate for a proportional relationship. Which method is

valid?
O "Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit
rate."
O "Look at the graph of the relationship. Count the number of units up and the number of units to the right one must
move to arrive at the next point on the graph. Write these two numbers as a fraction."
O "Look at the graph of the relationship. Find the x-value of the point that corresponds to y = 2. That value is the unit
rate."
O "Look at the graph of the relationship. Find two points which have y-values that are one unit apart. The unit rate is the
difference in the corresponding x-values."

User Bakkay
by
8.8k points

2 Answers

3 votes

Answer:

Look at the graph of the relationship. Find two points which have y-values that are one unit apart. The unit rate is the difference in the corresponding x-values.

Explanation:

To find the unit rate for a proportional relationship, you need to identify any two points on the graph of the relationship that have y-values that differ by one unit. Once you have identified these two points, you can find the unit rate by calculating the difference between the corresponding x-values (the change in x) for those two points:

1. Look at the graph of the proportional relationship.

2. Identify any two points on the graph that have y-values that differ by one unit.

3. Determine the x-value for each of the two points you identified in step 2.

4. Calculate the difference between the two x-values (the change in x) for those two points.

5. The result of step 4 is the unit rate for the proportional relationship.

User BradStevenson
by
9.2k points
4 votes

Answer:

The correct answer is,

"Look at the graph of the relationship. Count the number of units up and the number of units to the right one must

move to arrive at the next point on the graph. Write these two numbers as a fraction."

Explanation:

User Mr EdHeltzel
by
8.5k points

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