Posted by **scooby9132002** on Saturday, July 4, 2009 at 1:05am.

determine whether (-5,1) is a solution of 9x-9y= -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 .....

## Answer this Question

## Related Questions

- Math - Solve by the elimination method. 4x +5y=1 8x +10y=2 What is the solution ...
- algebra - solve by the elimination method 3r - 7s =-29 7r + 3s = 29 What is the ...
- algebra - solve by elimination method what is the solution of the system? 0.3x-0...
- math - Solve the system of equations by graphing. Then Classify the system? 4u+v...
- math - Solve the system of equations by graphing. Then classify the system? y= -...
- Algebra - Solve by the elimination method. 5r-7s=-37 7r+5s=37 What is the ...
- math - Solve the system by graphing. Then classify the system.? 6x-y=50 6x+7y=-...
- Math Help PLEASE - Solve the system of equations by graphing then classify the ...
- Algebra - Solve the following system of equations by the elimination method. 1/...
- math - Solve the following system using elimination. If a single solution exists...