Posted by **jenika** on Thursday, May 17, 2012 at 7:12pm.

how many solutions does the system have?

x-2y=6

3x-6y=18

a)1

b)2

c)many

d)none

- algebra1 -
**Rezu**, Thursday, May 17, 2012 at 7:18pm
-2y=6-6

-2y=0

y=0 ans.

Proof:

3*6-6*0=18

18+0=18

18=18

One solution: (6,0).

- algebra1 -
**jenika**, Thursday, May 17, 2012 at 7:22pm
thanks Rezu

- algebra1 -
**Reiny**, Thursday, May 17, 2012 at 7:42pm
If you triple the first equation , you will get the 2nd

so there is only one equation,

and there is an **infinite number of solutions.**

Rezu gave you only one

here is another (2,2)

and another (0,-3) etc

- algebra1 -
**jenika**, Thursday, May 17, 2012 at 7:55pm
so infinite or just one?

- algebra1 -
**Reiny**, Thursday, May 17, 2012 at 7:58pm
come on!

I already gave you more than one.

How many points lie on a straight line??????

- algebra1 -
**jenika**, Thursday, May 17, 2012 at 8:04pm
omg come down it was just a question!

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