SOLUTION: Determine whether the following equations have a solution or not and justify your answer. 1. 5x� + 8x+7 =0 2. 7�y�-6y-13(7)�=0 3. 2x�+x-1 = 0 4. 4/3x�-2x+3/4 =0 5. 2x�+5x+5=

Question 113332: Determine whether the following equations have a solution or not and justify your answer.
1. 5x� + 8x+7 =0
2. 7�y�-6y-13(7)�=0
3. 2x�+x-1 = 0
4. 4/3x�-2x+3/4 =0
5. 2x�+5x+5=0
6. p�-4p+4 =0
7. m�+m+1=0
8. 3z�+z-1 =0

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
ALL QUADRATIC EQUATIONS HAVE SOLUTIONS.
SOME READILY FACTORED WHILE SOME NEED THE QUADRATIC EQUATION

TO SOLVE.
5X^2+8X+7=0
X=(-8+-SQRT8^2-4*5*7])/2*5
X=(-8+-SQRT64-140])/10
X=(-8+-SQRT-76)/10
X=(-8+-8.7i)/10
X=-.8+.87i ANSWER.
X=(-8-8.71i)/10
X=--.8-.87i ANSWER.
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