Posted by scooby9132002 on Saturday, July 4, 2009 at 1:05am.
determine whether (5,1) is a solution of 9x9y= 3
I said no am i correct?
solve by elimination mehtod. 2x+3y=4, 4x+6y=8 type as ordered pair, type N for no solution, I for many.
I chose I am I correct?

math(am i right)  Reiny, Saturday, July 4, 2009 at 7:22am
How did you determine that the answer was "no" to the first one?
BTW. you were right.
For the second, what happens if you multiply your first equation by 2 ?
 So how many lines are you intersecting by solving ?
 Wouldn't any point that works for the first also work for the second ?
 How many points are on the first line ?
So .....
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