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1. Which ordered pair is the solution to the system of equations?

{x + 3y= −12

   y = 1/3x − 6

 

A. (−5, −2 1/3)

B. (−9, −9)

C. (10, −2 2/3)

D.(3, −5)

 

2. What is the solution to the system of equations?

{ x+ y = 7

  x = y + 3

 

A. (4, 3)

B.(11/2, 3/2)

(5, 2)

(2, 5)

 

3. What is the solution to the system of equations using the linear combination method?

  {3x + y = 42

   2x + y = 7

 

A. (−1, 7)

B. (−3, 12)

C. (−3, 13)

D. (0, 4)

 Dec 12, 2017
 #1
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0

1: D

2: C

3: C

 Dec 12, 2017

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