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Mertsj
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Well, we know that d = 2 so fill in the other ordered pairs. You will have 3 equations with 3 variables. Solve for b

brinazarski
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All I have so far are a+b+c = 2 and b = 2  a  c....

brinazarski
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I have the other equations as well

brinazarski
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I just don't get how to solve for b. Right now I'm trying to plug in random answers.

Mertsj
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dw:1359309759841:dw

Mertsj
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Add the two equations and solve for b

brinazarski
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you get 4 = 0... which makes no sense

brinazarski
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wait

Mertsj
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no doubt.

brinazarski
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why is the b not negative in the first equation?

brinazarski
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neeeever mind....

Mertsj
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dw:1359310053981:dw

Mertsj
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Solve for b

brinazarski
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2 then. ugh, i missed the 1^2. THANK YOU!!!!

Mertsj
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yw