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vodomira [7]
3 years ago
7

Is (-4,4) the solution of the system. 4x+5y>-6 and -2x+7y>20

Mathematics
1 answer:
nikklg [1K]3 years ago
7 0

Answer:

  It is <em>a</em> solution, one of an infinite number of solutions.

Step-by-step explanation:

You can check to see if the given point is in the solution set:

  4(-4) +5(4) = -16 +20 = 4 > -6 . . . . yes

  -2(-4) +7(4) = 8 +28 = 36 > 20 . . . yes

The offered point satisfies both inequalities, so is in the solution set. It is not <em>the</em> solution, but is one of an infinite number of solutions.

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