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The coordinates below represent two linear equations.

How many solutions does this system of equations have?

Line 1
x y
–6 3
3 6
Line 2
x y
–3 1
3 3


A.
0

B.
exactly 1

C.
exactly 2

D.
infinitely many

Respuesta :

caylus
Hello,
Answer A: no solution

line 1: (-6,3), (3,6)==>y-3=(x+6)*3/9==>x-3y=-15 (1)
line 2: (-3,1), (3,3)==>y-1=(x+3)2/6==> x-3y=-6 (2)

(1)-(2)==>0x=-9 ==> no solution
line 1 // line 2

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