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31 March, 10:17

The equations X-2Y=1, 3x-y=-1, x+2y=-1, and 3x+y=1 are shown on the graph below.

Which system of equations has a solution of approximately (0.6, - 0.8) ?

A. x+2y=-1 and 3x+y=1

B. x-2y=1 and 3x+y=1

C. x-2y=1 and 3x-y=-1

D. x+2y=-1 and 3x-y=-1

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Answers (2)
  1. 31 March, 11:39
    0
    When you graph all the equations into a graphing calculator, you find the answer is:

    C. x-2y=1 and 3x-y=-1
  2. 31 March, 11:46
    0
    A

    Step-by-step explanation:

    The green line represents x+2y=-1 and the purple line represents 3x+y=1. These lines intersect at (0.6, -.08) That means that this system has a solution of (0.6, -.08).
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