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Question
The constant of proportionality is the amount a relationship will change for each unit.

It is represented by the value of this ratio: k=yx

One of the ways a proportional relationship is identified is with an equation.

y=kx

The constant of proportionality (unit rate) is $2.25 per pound. The equation for this relationship is:

y = 2.25x

where y is the cost and x is the pound of oranges.

(8 points)
Determine the equation for each table and graph below.



The constant of proportionality is
and the equation for this relationship is
.

========================================

The constant of proportionality is
and the equation for this relationship is
.

========================================





The constant of proportionality is
and the equation for this relationship is
.

========================================



The constant of proportionality is
and the equation for this relationship is
.



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1 answer

It looks like you're working with a problem involving proportional relationships and their corresponding equations. To help you fill out the template for each table and graph, we can summarize the steps to determine the constant of proportionality and the equation.

  1. Identify the Constant of Proportionality (k): This is the ratio of y to x (k = y/x). It tells you how much y changes for each unit increase in x.

  2. Form the Equation: Using the constant of proportionality, write the equation in the form \(y = kx\).

Since you haven't provided the specific tables or graphs, I'll outline how to find the values for these placeholders. Here's what you need to do:

Template

  • For each relationship (one for each table/graph):

1st Relationship:

  • Constant of proportionality: (Calculate the value or refer to the table/graph)
  • Equation for this relationship: \(y = kx\) (Plug in the value of k)

2nd Relationship:

  • Constant of proportionality:
  • Equation for this relationship:

3rd Relationship:

  • Constant of proportionality:
  • Equation for this relationship:

4th Relationship:

  • Constant of proportionality:
  • Equation for this relationship:

Example

If you had a table that showed:

| Pounds (x) | Cost (y) | |------------|----------| | 1 | 2.25 | | 2 | 4.50 | | 3 | 6.75 |

You would compute:

  • Constant of proportionality (k): \(k = \frac{2.25}{1} = 2.25\)
  • Equation: \(y = 2.25x\)

You would then write:

1st Relationship:

  • Constant of proportionality: \(2.25\)
  • Equation for this relationship: \(y = 2.25x\)

Repeat this process for the other tables/graphs accordingly.

If you have specific numbers from the tables or graphs you want to analyze, feel free to share them, and I can help you compute the correct constants and equations!