SOLUTION: Determine whether the following equations have a solution or not? Justify your answer 3z2 + z

SOLUTION: Determine whether the following equations have a solution or not? Justify your answer 3z2 + z - 1 = 0

Question 132531: Determine whether the following equations have a solution or not? Justify your answer
3z2 + z - 1 = 0

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
ALL QUADRATIC EQUATIONS HAVE SOLUTIONS ( SOME REAL , SOME COMPLEX & SOME IMAGINARY).
3Z^2+Z-1=0
HERE WE USE THE QUADRATIC EQUATION:
Z=(-1+-SQRT[1^2-4*3*-1])/2*3
Z=(-1+-SQRT[1+12])/6
Z=(-1+-SQRT13)/6
Z=(-1+-3.6)/6
Z=(-1+3.6)/6
Z=2.6/6
Z=1.3/3 OR .43 ANSWER.
Z=(-1-3.6)/6
Z=-4.6/6
Z=-2.3/3 OR -.77 ANSWER.
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