Question 169793
Hi, Hope I can help,
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Which of the following is an ordered pair solution of y=-1/2x+1/4? 
A. (2,-1/2)
B. (1,1/4)
C. (-2,5/4)
D. (-1, -5/4)
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Ordered pairs are given as (x,y), so all you do is (for "A", replace "x" with "2", and "y" with {{{ -1/2 }}})
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 The correct ordered pair will be a true statement
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A. (x,y)(2,{{{-1/2}}}), {{{ y=(-1/2)x+1/4 }}} = {{{ (-1/2)=(-1/2)(2)+1/4 }}} = {{{ -1/2=(-1)+1/4 }}} = {{{ -1/2=-3/4 }}} (False)
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B. (x,y)(1,{{{1/4}}}), {{{ y=(-1/2)x+1/4 }}} = {{{ (1/4)=(-1/2)(1)+1/4 }}} = {{{ 1/4=-1/2+1/4 }}} = {{{ 1/4=-1/4 }}} (False)
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C. (x,y)(-2,{{{5/4}}}), {{{ y=(-1/2)x+1/4 }}} = {{{ (5/4)=(-1/2)(-2)+1/4 }}} = {{{ 5/4=1 +1/4 }}} = {{{ 5/4=5/4 }}} (True)
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D. (x,y)(-1, {{{-5/4}}}), {{{ y=(-1/2)x+1/4 }}} = {{{ (-5/4)=(-1/2)(-1)+1/4 }}} = {{{ -5/4=1/2+1/4 }}} = {{{ -5/4=3/4 }}} ( False )
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The ordered pair is "C" ( -2, {{{ 5/4 }}})
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( -2, {{{ 5/4 }}}) is the ordered pair solution
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Hope I helped, Levi