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MA_775_DIABLO [31]
3 years ago
13

Which of the following ordered pairs is a solution of x + 1/2 y = 1

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0
The answer is:  [A]:  " (-2, 6) " .
______________________________________
Note:  The equation is:  " x + (1/2) y = 1 " .
______________________________________
Choice A:  (-2, 6).    " -2 + (1/2)*6 =? 1  ?
                              -2 + 3 = 3 <span>− 2 = 1 .  Yes!
________________________________________
Choice B:  (2, 6).  "2 + (1/2)*(-6)  =? 1 ? " ; 
                           2 + (-3) = 2 </span>− 3 = -1<span> ; NOT "1" ; so rule out choice "B" .
________________________________________
Choice C:  (-2, -6).  "-2 + (1/2)*-6 =? 1 ? " ;
                     -2 + (-3) = -2 </span>− 3 = -5 ; NOT "1" ; so rule out choice "C".
__________________________________________________
The answer is:  Answer choice:  [A]:  " <span>(-2, 6) " .
</span><span>__________________________________________________  
</span>
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