Find the discriminant of the following quadratic equation: $5x^{2} + 2x - 1 = 0$.
- A$28$
- B$38$
- C$24$
- D$70$
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View SolutionWhich of the following groups correctly matches the data of Part $I$ with the data of Part $II$?
Part $I$ Part $II$ $1.$ The discriminant of $x^{2}+5x+6=0$ $a. 1$ $2.$ The discriminant of $x^{2}+5x+4=0$ $b. 9$ $3.$ The discriminant of $x^{2}+4x+3=0$ $c. 4$ $4.$ The discriminant of $x^{2}+6x+5=0$ $d. 16$
| Part $I$ | Part $II$ |
| $1.$ The discriminant of $x^{2}+5x+6=0$ | $a. 1$ |
| $2.$ The discriminant of $x^{2}+5x+4=0$ | $b. 9$ |
| $3.$ The discriminant of $x^{2}+4x+3=0$ | $c. 4$ |
| $4.$ The discriminant of $x^{2}+6x+5=0$ | $d. 16$ |
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