Chapter 1
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8 Terms
1
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b2-4ac
Which part of the quadratic equation is the discriminant?
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0 real, 2 complex
Negative discriminant
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1 real solution
0
4
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2 real rational
Positive, perfect square
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2 real, irrational
Positive, not perfect square
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d=√(x2-x1)2 + (y2-y1)22
Distance formula
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mp=(x1+x2 , y1+y2)
2 2
Midpoint formula
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D=rt
Distance formula
Note 
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