Concept explainers
To explain: the evaluation of x and y -intercepts of a graph and graphing a linear function.
Explanation of Solution
The x -intercept is the intersection point of the function and x -axis. The y -intercept is intersection point of the function and y -axis. These points have the form
To find the y -intercept, set
Similarly, to find the x -intercept, set
To graph a linear function, join the x and y -intercepts of the function.
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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