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# Simultaneous equation and graphs watch

1. Hi,

Can someone show me the solution to this. Step by step pls.
2. (Original post by FuryBall)
Hi,

Can someone show me the solution to this. Step by step pls.
Sorry solutions aren't given here. Can you please post all your working up to the point you got stuck?
3. (Original post by Notnek)
Sorry solutions aren't given here. Can you please post all your working up to the point you got stuck?
4. (Original post by FuryBall)
...
You need to eliminate either x or y so you end up with a quadratic equation. Then think about when this quadratic has a single solution.

I recommend starting by rearranging the second equation to give then substitute for y in the first equation.

Try this and post your working if you get stuck.
5. Ahh thanks so much. What was I even doing...
6. (Original post by FuryBall)
Ahh thanks so much. What was I even doing...
It was an interesting approach but wouldn't have got you anywhere unfortunately

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