To plot: The graph of given pair of inequalities.
Answer to Problem 7WE
The graph of inequalities:
Explanation of Solution
Given information:
Considering the first inequality:
This graph is a region on one of the side of line
To determine the side of region, we will put a known point in inequality, if the point will satisfy the inequality, the inequality will lie on same side as of the known point,
If the known point will not satisfy the inequality, the region will lie on opposite side as of known point.
Taking known as
As the point satisfies the inequality, required region lies on same side of line
Considering the second inequality:
This graph is a region on one of the side of line
To determine the side of region, we will put a known point in inequality, if the point will satisfy the inequality, the inequality will lie on same side as of the known point,
If the known point will not satisfy the inequality, the region will lie on opposite side as of known point.
Taking known as
As the point, does not satisfies the inequality, required region lies on opposite side of line
Combining the region of both inequality, we get
Chapter 10 Solutions
Algebra: Structure And Method, Book 1
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