Seudónimo Seudónimo
  • 15-01-2017
  • Mathematics
contestada

"Find A and B so that the system below has the solution (1, -1)."
Ax+2By=0
2Ax-4By=16
Please show work and explain steps.

Respuesta :

ryster712 ryster712
  • 15-01-2017
to do this you must plug in 1 and negative one for each x variable and each y. that solution is a point so the 1 must be tested for x and the -1 for y. do this and solve to find a and b so that it works in both equations!
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