talanabrookins talanabrookins

11-08-2017
Mathematics

contestada

Without graphing how can i tell if. X + 4y=28 and 2x +8y=56 is inconsistent. Dependent or neither

Respuesta :

ghanami ghanami

11-08-2017

hello :
x+4y = 28
multiply by : 2
2x+8y =56
same line (same graph)
the system is : Dependent
when the solution is :
x = k .... k in R
y = -1/4 x +7

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