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lrrussell01 lrrussell01
  • 07-06-2016
  • Mathematics
Answered

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

Verified Answer :

caylus
caylus caylus
  • 08-06-2016

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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