moll6shaninay moll6shaninay

17-06-2016
Mathematics

contestada

How many solutions are there to the following system of equations?
2x+5y=-11
10x+25y=-55
A. Infinitely many
B. 0
C. 2
D. 1

Respuesta :

17-06-2016

Hello,

Answer A.

2x+5y=-11 (1)
10x+25y=-55==>2x+5y=-11 (2)

(1)-(2)==>0=0 verified for all reals for x and y

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