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"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.
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"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.

User Erika Sawajiri
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1 Answer

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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!
User Linus Odenring
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