Unit 5 Review

Question 1

Line n is shown on the coordinate grid. The table of ordered pairs represents some points on line p.

Which system of equations represents line n and line p.  

• 2x - y = 3

  x + y = 3

• 3x + y = -3

  x - 2y = 3

• 3x - y = 3

  x + 2y = 3

• 3x - y = 3

  2x + y = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Question 2

A system of linear equations is shown.

4x - y = 7

y = 4x - 7

Which statement about the system is true?

• The system has one solution, (1, -3)

• The system has no solutions.

• The system has infinitely many solutions.

• The system has one solution, (-1, 3)

Tags

CCSS.8.EE.C.8B

Question 3

What value of x make the equation

 -0.5(8x - 10) = 10x - 2(14 + 12x) true? 

Tags

CCSS.8.EE.C.7B

Question 4

 Graph the line represented by 

   7(x - 3) = -14y.

Question 5a

A customer paid a total of $58 for 40 muffins.  Some of the muffins are blueberry and some are chocolate. 

• Each blueberry muffin costs $0.25

• Each chocolate muffin costs $1.75. 

The customer purchased _________ blueberry muffins and _____________ chocolate muffins.

**Fill in the first blank only with the options below**

22 8 25 10 32

Tags

CCSS.8.EE.C.8C

Question 5b

A customer paid a total of $58 for 40 muffins.  Some of the muffins are blueberry and some are chocolate. 

• Each blueberry muffin costs $1.20

• Each chocolate muffin costs $1.75. 

The customer purchased _________ blueberry muffins and _____________ chocolate muffins.

**Fill in the second blank only with the options below**

22 8 25 10 32

Tags

CCSS.6.RP.A.3B

Question 6

Reed and Allen went to a café.  

• Reed bought 5 sandwiches and 3 drinks for $18.50. 

• Allen bought 3 sandwiches and 7 drinks for $24.50.

Write a system of equations to find the price of one sandwich s and one drink d at the cafe.

_______________ s + ___________b = 18.50

______________ s + ___________b = 24.50

Use the options below to write the system of equations.

5 3 7 10 8

Question 7a

Solve the linear system described in the tables above.

The solution to the linear system is (_________, _________)

FILL IN THE ANSWER FOR THE FIRST BLANK ONLY!!!

Tags

CCSS.8.EE.C.8B

Question 7b

Solve the linear system described in the tables above.

The solution to the linear system is (_________, _________)

FILL IN THE ANSWER FOR THE SECOND BLANK ONLY!!!

Tags

CCSS.8.EE.C.8B

Question 8

A system of equations is graphed on the grid.

Which system of equations is best represented by the graph?

Select TWO correct answers.

• y = 4x + 2

• y = -2x + 4

• y = 2x - 4

• y = -2(x - 4)

• y = 4x - 2

Tags

CCSS.8.EE.C.8B