what is the discriminant of:
1.)x^2+3x+1=0
2.)y^2+7y+6=0
3.)p^2-10p+12=0
4.)r+4r-12=0
5.)2k^2-7k+6=0
1.)x^2+3x+1=0
2.)y^2+7y+6=0
3.)p^2-10p+12=0
4.)r+4r-12=0
5.)2k^2-7k+6=0
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Answer:
1. (3)^2-4(1)(1)=5
2 (7)^2-4(1)(6)=25
3. (-10)^2-4(1)(12)=58
4. (4)^2-4(1)(12)^58
5. (-7)^2-4(2)(6)=1