DISCUSS: Shading Unwanted Regions To graph the solution of a system of inequalities, we have shaded the solution of each inequality in a different color; the solution of the system is the region where all the shaded parts overlap. Here is a different method: For each inequality, shade the region that does not sat- isfy the inequality. Explain why the part of the plane that is left unshaded is the solution of the system. Solve the following sys- tem by both methods. Which do you prefer? Why? x + 2y > 4 -x + y<1 x + 3y <9 x<3
DISCUSS: Shading Unwanted Regions To graph the solution of a system of inequalities, we have shaded the solution of each inequality in a different color; the solution of the system is the region where all the shaded parts overlap. Here is a different method: For each inequality, shade the region that does not sat- isfy the inequality. Explain why the part of the plane that is left unshaded is the solution of the system. Solve the following sys- tem by both methods. Which do you prefer? Why? x + 2y > 4 -x + y<1 x + 3y <9 x<3
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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