Question

Determine whether the following system of linear equations is inconsistent or not 3x-5y=20,6x-10y=-40

Answer 1

Answer:

a1=3, b1=-5, c1=20, a2=6, b2=-10, c2=40

a1/a2=3/6=1/2

b1/b2=-5/-10=1/2

c1/c2=20/40=1/2

a1/a2=b1/b2=c1/c2=1/2

so, the equations are coincidence lines,