Seudónimo
Seudónimo
18-04-2018
Mathematics
contestada
plz help
and no guessing
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choixongdong
choixongdong
18-04-2018
multiply 1st equation by 5
-5x + 10y = -20
now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0
answer
C. the system has infinitely many solutions
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Bladerunner1976
Bladerunner1976
18-04-2018
When I multiply the top equation by 5 I get the following system:
-5x + 10y = -20
5x - 10y = 20
Add them together you then get 0 = 0. Since 0 always equals 0 then the system will have infinitely many solutions
Answer Link
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