• 1. 
    It is a method for finding a maximum or minimum value of some quantity, given a set of constraints.

  • Operations research
  • Maximization
  • Minimization
  • Linear programming
  • 2. 
    Rachel owns a car and a moped. She has at most 12 gallons of gas to be used between the car and the moped. The car's tank holds at most 10 gallons and the moped's 3 gallons. The mileage for the car is 20 mpg and for the moped is 100 mpg. What are the variables you need to define?

  • x is gas, y is mileage
  • x is car, y is moped
  • x is gas, y is moped
  • x is car, y is mileage
  • 3. 
    Cullin needs to save at least $100 for homecoming. He works 2 jobs earning $8/hour at Culvers and $25/hour mowing lawns. He only has time to work 14 hours before homecoming.

  • x + y  ≥ 25x + y ≤ 8
  • 100x + 25 y ≤ 1002x + 8y ≤ 14
  • x + y ≥ 1008x + 25y ≤ 14
  • 8x + 25y ≥ 100x + y ≤ 14
  • 4. 
    Define Profit

  • Money you make, after expenses.
  • What you spend up front to create the product.
  • Vertices where the lines intersect.
  • The most, biggest profit possible.
  • 5. 
    Which of the following inequalities matches the given graph?

  • x ≥ -1
  • x ≤ -1
  • x > -1
  • x < -1
  • 6. 
    Which of the following is not a solution to this system of inequalities?

  • (0,-1)
  • (0,3)
  • (4,0)
  • (6,-2)
  • 7. 
    Write the inequality

  • y>2/3x-3
  • y<2/3x-3
  • y≤2/3x-3
  • y≥2/3x-3
  • 8. 
    Sarah makes small purses (x) and big purses (y). She can make no more than 8 purses a week.Which inequality represents the situation?

  • x + y ≤ 8
  • x + y ≤ 6
  • 2x + 3y ≤ 6
  • x + y ≤ 10
  • 9. 
    It takes Sarah 2 hours to make small purses and 3 hours to make big purses. She has a maximum of 18 hours a week. Which inequality represents this situation?

  • 2x + 3y ≤ 18
  • x + y ≤ 6
  • x + y ≤ 9
  • 3x + 2y ≤ 18
  • 10. 
    Which system of inequality is shown?

  • y ≥ -x - 1y < x + 4
  • y < -x - 1  y ≥ x + 4
  • y > -x - 1 y ≥ x + 4
  • y > -x - 1 y ≥ x + 4
  • 11. 
    Sarah makes $30 for each small purse (x) and $50 for each big purse (y). What is the objective quantity?

  • P = 30x + 50y
  • P = 50x + 30y
  • 12. 
    Write the system of inequalitiesCarlos works at a movie theater selling tickets. The theater has 300 seats and charges $7.50 for adults and $5.50 for children. The theater expects to make at least $2000 for each showing.

  • x+y≤3007.5x+5.5y≥2000
  • x+y<3007.5x+5.5y≥2000
  • x+y≤3007.5x+5.5y≤2000
  • x+y>20007.5x+5.5y≤300
  • 13. 
    Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

  • x + y = 33y = 2x - 3
  • x + y = 33x = 2y - 3
  • x + y = 33x = 3 - 2y
  • x + y = 3x = 33 - 2y
Report Question
warning
access_time
  Time