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Ok, now let's do a
system:
We just graph each one and see
where they overlap.
What will the intersection look
like?
|
Knowing what this point
is is going to be really important in the next section!
It LOOKS like it's
(-1,
4),
but we need to be sure. Remember that the point of
intersection is the solution to the system
 |
 |
We have the
x
guy, so stick him into the other equation:
Yep, the point is
(-1,
4),
so here's our official answer:
YOUR TURN:
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Graph |
 |
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