If one of the roots of $2x^{2}-5x+k=0$ is $\frac{7}{2}$,then $k=$ .............
- A$7$
- B$4$
- C$-7$
- D$2$
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Similar Questions
Which 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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