anonymous
  • anonymous
Find the solution, given the replacement set. 5x - 2y = 6 {(-2, -8), (0, -3), (1, -1), (2, 4), (4, 7) A.{(-2, -8), (2, 4), (4, 7)} B.{(-2, -8), (0, -3), (4, 7)} C.{(-2, -8), (0, -3), (1, -1)} D.{(1, -1), (2, 4), (4, 7)}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
so, which ordered pairs are solutions right?
anonymous
  • anonymous
Yes I think so
amistre64
  • amistre64
if so then we just plug them in to check :)

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amistre64
  • amistre64
does 1,-1 fit?
anonymous
  • anonymous
I'd have to get out paper and pencil.
amistre64
  • amistre64
paper and pencil are fine; but lets try this approach: 5(1) -2(-1) = 6
amistre64
  • amistre64
does 5 + 2 = 6 ?
anonymous
  • anonymous
no
amistre64
  • amistre64
then c and d are out
amistre64
  • amistre64
a nad b differ by sat (0,-3) so if that fits its b, if not its a
amistre64
  • amistre64
5(0)-2(-3) = 6 ? 0 + 6 = 6 ?
anonymous
  • anonymous
yeah
amistre64
  • amistre64
a and b differ by say .... typing aint my forte :) then since b fits, lets use b :)
amistre64
  • amistre64
since there is no "none of the above" option I assume it has to be one of those posted, so "b" seems the best candidate
anonymous
  • anonymous
alright thanks!!

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