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Concept explainers
X- and y-intercepts of the graph.
![Check Mark](/static/check-mark.png)
Answer to Problem 60SR
They are x = 2 and y = -2
Explanation of Solution
Given:
The graph of each linear function .
Points are
Concept Used:
The x -intercepts are where the graph crosses the x -axis, and the y -intercepts are where the graph crosses the y -axis.
Then, algebraically,
- an x -intercept is a point on the graph where y is zero, and
- a y -intercept is a point on the graph where x is zero.
More specifically,
- an x -intercept is a point in the equation where the y -value is zero, and
- a y -intercept is a point in the equation where the x -value is zero.
Calculation:
The points:
We can graph the equation by using x and y − intercept method. First we find the x and y intercept from the equation and then plot the points on the grid and join then to complete the graph.
x − Intercept:
y − Intercept: y =0
From the Graph the x and y intercepts points are (2, 0) and (-2, 0)
Thus, x and y intercepts are x = 2 and y = -2.
Chapter 3 Solutions
Algebra 1
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