
Concept explainers
(a)
To describe: The process of finding the rate of change for a table of values.
(a)

Explanation of Solution
In order to find the rate of change for a table of values, the following steps are followed:
1) Take 2 x values and take their corresponding y values to form a set of ordered pairs.
2) Then calculate the change in x ,
3) Rate is calculated using the formula,
(b)
To describe: The process of finding the rate of change for a graph.
(b)

Explanation of Solution
In order to find the rate of change for a graph, the following steps are followed:
1) Determine the point of origin and the end point in the graph.
2) Then calculate the change in x ,
3) Rate is calculated using the formula,
Observe that the rate here is the slope of the curve. So, if the slope of the curve is known, then too the rate of change can be calculated.
(c)
To describe: The process of finding the rate of change for an equation.
(c)

Explanation of Solution
In order to find the rate of change for an equation,
1) Determine the value of
2) Then calculate the change in x ,
3) Rate is calculated using the formula,
Chapter 2 Solutions
Glencoe Algebra 2 Student Edition C2014
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