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practice Review

Authored by Ms. Newell

Mathematics

9th Grade

CCSS covered

practice Review
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18 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Which system of inequalities represent the graph shown?

x+y5x+y\le5
2xy>42x-y>4

x+y>5x+y>5
2xy42x-y\le4

x+y<5x+y<5
2xy42x-y\ge4

x+y5x+y\ge5
2xy<42x-y<4

Tags

CCSS.HSA.REI.D.12

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which graph represents the solution of this systems of inequalities?

 x3y6x-3y\le-6  

 2x+y>62x+y>6  

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.HSA.REI.D.12

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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+5y603x+5y\le60
x+y15x+y\ge15

3x+5y603x+5y\ge60
x+y15x+y\le15

x+y60x+y\le60
3x+5y153x+5y\ge15

x+y60x+y\ge60
3x+5y153x+5y\le15

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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+10y1506x+10y\ge150 
 x+y20x+y\le20 

 6x+10y1506x+10y\le150 
 x+y20x+y\ge20 

 x+y150x+y\le150 
 6x+10y206x+10y\ge20 

 x+y150x+y\ge150 
 6x+10y206x+10y\le20 

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

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

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