Concept explainers
To write: The x- and y-intercepts of each linear function.
Answer to Problem 21PPS
The required answer is: x-intercept
Explanation of Solution
Given information:
Calculation:
To find the x- intercept, look for the point where the line crosses the x-axis.
In the above graph the line crosses at
Therefore the x- intercept is 6, because it is the x-coordinate of the point where the line crosses the x-axis.
The x-intercept 6 means after 6 seconds, the height is 0 feet or that the eagle has landed on a platform.
To find the y- intercept, look for the point where the line crosses the y-axis.
In the above graph the line crosses at
Therefore the y- intercept is 20, because it is the y-coordinate of the point where the line crosses the y-axis.
The y-intercept 20 means that the eagle started to descent from the height of 20 feet at time 0.
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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