SOLUTION: Find (a) the discriminant, (b) the number of solutions and (c) the nature of the solutions for 5x^2-7X-4=0

Question 32751: Find (a) the discriminant, (b) the number of solutions and (c) the nature of the solutions for 5x^2-7X-4=0
Answer by mukhopadhyay(490) (Show Source): You can put this solution on YOUR website!
This duplicates with 32743:
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Discriminant is b^2-4ac (in ax^2+bx+c=0)
Here, a = 5, b = -7 and c= -4;
Discriminant = 49-4(5)(-4) = 49 + 80 = 129;
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Number of solutions are two because it is a quadratic equation and the discriminant != 0;
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Both solutions are real because the discriminant is positive;

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