Solving Systems of Inequalities in Word Problems

What are the two variables identified in the problem?

• Weekday paper and weekend edition

• Weekday paper and monthly edition

• Daily paper and weekend edition

• Daily paper and monthly edition

What does the inequality involving $33,000 represent?

• The total number of ads

• The maximum cost

• The minimum number of ads

• The minimum cost

How is the cost for weekday papers represented in the equation?

• 30X

• 30Y

• 50X

• 50Y

What is the total number of ads inequality?

• X + Y > 20

• X + Y ≥ 20

• X + Y ≤ 20

• X + Y = 20

What should you do after rewriting the equations in terms of y?

• Graph the equations

• Check the cost

• Identify the variables

• Solve for x

Where does the red inequality line start on the graph?

• At 60

• At 50

• At 30

• At 20

What type of line is used for the inequality starting at 60?

• Dashed line

• Bold line

• Solid line

• Dotted line

What is the slope for the inequality starting at 20?

• Down 20, right 20

• Down 10, right 10

• Down 40, right 40

• Down 30, right 30

Which area is shaded for the inequality starting at 20?

• To the right of the line

• To the left of the line

• Below the line

• Above the line

What are the two solution points identified in the solution set?

• 30 weekday ads and 20 weekend ads; 10 weekday ads and 40 weekend ads

• 40 weekday ads and 20 weekend ads; 10 weekday ads and 30 weekend ads

• 50 weekday ads and 10 weekend ads; 20 weekday ads and 30 weekend ads

• 20 weekday ads and 10 weekend ads; 30 weekday ads and 50 weekend ads