Algebra questions need help


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True or False. The ordered pair (0, 3/2) is in the solution set of x+2y=3. Show step-by-step how you arrived at your answer.

Feb 2nd, 2015

The ordered pair are a set of (x,y) points.  To check if the point is a solution for a given equation, replace one of the points into the equation.

In this case, since x=0, it is the simplest to check.

0 + 2y = 3

y = 3/2

Since this matches the ordered pair the answer is TRUE.  If we had arrived at any answer other than 3/2 than the ordered pair would not have been a solution set.  We would have arrived at the same answer had 3/2 been placed in the equation for y. 

Feb 2nd, 2015

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Feb 2nd, 2015
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