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December 18, 2014

December 18, 2014

Posted by **Barbara Passmore** on Sunday, November 10, 2013 at 7:50pm.

- Pre-algebra -
**Reiny**, Sunday, November 10, 2013 at 8:07pmSince it is perpendicular its slope must be +1

equation:

y = x + b

but (-2,-2) lies on it, so

-2 = -2+b

b = 0

the new equation is y = x

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