practice Review

Which system of inequalities represent the graph shown?

• $x+y\le5$
  $2x-y>4$
  

• $x+y>5$
  $2x-y\le4$
  

• $x+y<5$
  $2x-y\ge4$
  

• $x+y\ge5$
  $2x-y<4$
  

Tags

CCSS.HSA.REI.D.12

Which graph represents the solution of this systems of inequalities?

 $x-3y\le-6$  

 $2x+y>6$  

• 
• 
• 
• 

Tags

CCSS.HSA.REI.D.12

For questions 3 - 6, use the following scenario:

Suppose you can spend no more than 15 hours a week at your two jobs. Mowing lawns pays $3 an hour and babysitting pays $5 an hour. You need to earn at least $60 a week.

Let x = # of hours mowing

Let y = # of hours babysitting

Which system of inequalities represents the scenario?

• $3x+5y\le60$
  $x+y\ge15$

• $3x+5y\ge60$
  $x+y\le15$
  

• $x+y\le60$
  $3x+5y\ge15$
  

• $x+y\ge60$
  $3x+5y\le15$
  

For questions 3 - 6, use the following scenario:

Bobbi can work at most 20 hours next week, but she needs to earn at least $150. Her dog-walking job pays $6 per hour and her job as a car wash attendant pays $10 per hour. 

Let x = # of hours dog-walking

Let y = # of hours at car wash

Which system of inequalities represents the scenario?

•  $6x+10y\ge150$ 
   $x+y\le20$ 

•  $6x+10y\le150$ 
   $x+y\ge20$ 
  

•  $x+y\le150$ 
   $6x+10y\ge20$ 
  

•  $x+y\ge150$ 
   $6x+10y\le20$ 
  

Which of the following is a solution to the systems of inequalities?

• (0, 0)

• (-3, 0)

• (2, -5)

• (3, -1)

Tags

CCSS.HSA.REI.D.12

Which of the following is a solution to the systems of inequalities?

• (0, -2)

• (-3, 0)

• (-3, 2)

• (1, 1)

Tags

CCSS.HSA.REI.D.12

Which of the following is a solution to the systems of inequalities?

• (0, 0)

• (1, 1)

• (-4, -2)

• (4, -2)

Tags

CCSS.HSA.REI.D.12

Which of the following is a solution to the systems of inequalities?

• (-1, -3)

• (3, 0)

• (-2, 2)

• (4, 1)

Tags

CCSS.HSA.REI.D.12

Which of the following is a solution to the systems of inequalities?

• (1, -5)

• (2, 3)

• (-2, 3)

• (-1, 1)

Tags

CCSS.HSA.REI.D.12

Which system of inequalities matches the graph?

• y > 2x - 4
  y < 2
• y < 2x - 4
  y < 2
• y > 2x - 4
  y <  2 
• y < 2x - 4
  y <   -2

Tags

CCSS.HSA.REI.D.12