Concept explainers
To find: whether
Answer to Problem 17CR
The direct variation equation is
Explanation of Solution
Given:
Concept used:
Directly proportional:
As one amount increases, another amount increases at the same rate.
Mathematically,
Where
Calculation:
Construct the following table:
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Need to verify whether
A direct variation is a relationship that can be represented by a function in the form
So, the ratio of the variables is constant:
Find the
The ratio
So,
Hence, the direct variation equation is
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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