shenita05
Determine whether each equation has the given ordered pair as a solution.
5x − 3y = 15; (0, 5)
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xokatexo
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Let x=0
5x − 3y = 15
5(0) − 3y = 15
0-3y=15
3y=15
-- ---
3 3
y=5
(0,5)
shenita05
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thank you cause i wasnt sure of the question
amistre64
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?? you got an error there
xokatexo
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can you give me a medal?
amistre64
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for starters; when x = 0 there is nothing over there and your left with
-3y = 15
-3(5) does not equal 15
shenita05
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amistre where would be the error ok hold on xok
xokatexo
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-15
xokatexo
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whoops
amistre64
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xok dropped the - sign from the y
amistre64
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but its good to know how to dbl chk to spot for those ..... the steps were good, just missed it by thaaaaaatt much lol
shenita05
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so -3/15
y=-5?
xokatexo
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yeah
shenita05
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okay thax for checking amistre
amistre64
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just plug in your point values and see if it matches really
(x=0, y=5); 5(0)-3(5)=15
0 -15 = 15
-15 = 15 is a contradiction; so the point aint part of the equation
xokatexo
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can we have medals?
amistre64
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since ya tried :)
xokatexo
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grrr :)
shenita05
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so amistre im safe with ur steps?
xokatexo
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:(
amistre64
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yep; if the point fits and makes it true; its good .... otherwise toss it
shenita05
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thanx both no sad faces u guys are helping me ! i appreciate it ok
amistre64
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:) youre welcome
shenita05
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It's not a solution. The answer would come out as -15 instead of 15
xokatexo
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the solution is if there are 2 lines... the solution would be where the two lines meet