Which situation could NOT represent a proportional relationship? A) The cost of purchasing candy bars at a price of $1.25 per ca
2 answers:
Answer:
Option C. The cost of transporting an automobile for a charge of $1.00 per mile with a pick-up fee of $100
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form or
In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin
verify each case
case A) The cost of purchasing candy bars at a price of $1.25 per candy bar.
Let
y------> the cost
x----> the number of candy bars
The linear equation that represent the situation is
y=1.25x -------> represent a proportional relationship
case B) The number of cookies produced in a factory at a rate of 1,000 cookies per hour
Let
y------> the number of cookies
x----> the number of hours
The linear equation that represent the situation is
y=1,000x -------> represent a proportional relationship
case C) The cost of transporting an automobile for a charge of $1.00 per mile with a pick-up fee of $100
Let
y------> the cost
x----> the number of miles
The linear equation that represent the situation is
y=x+100 -------> <em>not represent a proportional relationship</em>
case D) The cost of a field trip to a museum for a group of high school students at a cost of $10.00 per student
Let
y------> the cost
x----> the number of students
The linear equation that represent the situation is
y=10x -------> represent a proportional relationship
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The solution is x=1.
