Concept explainers
a.
Do the data in the table represent a direct variation or an inverse variation? Write an equation that models the data.
a.
Answer to Problem 4P
Direct variation,
Explanation of Solution
Given information:
x | y |
4 | -12 |
6 | -18 |
8 | -24 |
Calculation:
The above data represent a direct variation because the value of x and y both directly depends on each other.
For the given table the equation will be
all the data in the table satisfies the equation
b.
Do the data in the table represent a direct variation or an inverse variation? Write an equation that models the data.
b.
Answer to Problem 4P
Inverse variation,
Explanation of Solution
Given information:
x | y |
4 | -12 |
6 | -8 |
8 | -6 |
Calculation:
The above data represent an inverse variation because the value of x and y both are inversely depends on each other.
For the given table the equation will be
all the data in the table satisfies the equation
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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