An objective function and a system of linear inequalities representing constraints are given. a. Graph the system of inequalities representing the constraints. b. Find the value of the objective function at each corner of the graphed region. c. Use the values in part (b) to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.
Table of contents
- 0. Review of Algebra4h 18m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations1h 43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 5m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 22m
- 10. Combinatorics & Probability1h 45m
7. Systems of Equations & Matrices
Graphing Systems of Inequalities
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Graph the system of inequalities and indicate the region (if any) of solutions satisfying all equations.
3x−2y>6
3x−2y < −4
A
B
C
D
Verified step by step guidance1
Start by rewriting each inequality in slope-intercept form (y = mx + b). For the first inequality, 3x - 2y > 6, solve for y to get y < (3/2)x - 3.
For the second inequality, 3x - 2y < -4, solve for y to get y > (3/2)x + 2.
Graph the line y = (3/2)x - 3. Since the inequality is 'less than', use a dashed line and shade below the line.
Graph the line y = (3/2)x + 2. Since the inequality is 'greater than', use a dashed line and shade above the line.
The solution to the system of inequalities is the region where the shaded areas overlap. In this case, it is the region between the two lines.
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Graphing Systems of Inequalities practice set

