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State whether the following equations are independent, dependent, consistent,...

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spock1 | Student, Undergraduate | Honors

Posted May 10, 2012 at 6:22 AM via web

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State whether the following equations are independent, dependent, consistent, inconsistent:

x + y = 2
3x = 8 - 3y

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted May 10, 2012 at 2:52 PM (Answer #1)

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The two equations are:

x + y = 2

3x = 8 - 3y

Drawing a graph of the two:

It is seen that the lines represented by the two equations are parallel to each other.

The system of equations has 0 solutions and is inconsistent.

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