X²+7x+10=0 a=1, b=7, c=10 b²-4ac=(7)²-4(1) (10) =49-4(10) =49-40 =9
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the equation of the line has form
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the equation of the line has form
y=kx+b
, so
The second line is parallel to the first and runs 7 units lower, so b=5