In (x^2+kx+25=0), if the roots are equal and negative, which possible value of (k) is correct?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Introduction to Quadratic Equations.

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Correct answer: (10)

For equal roots, (D=0) gives (k^2=100), and for equal negative roots (-\frac{k}{2}<0) is needed. Hence (k=10) is correct.

What is the correct answer to this question?

(10)

Why is this the correct answer?

For equal roots, (D=0) gives (k^2=100), and for equal negative roots (-\frac{k}{2}<0) is needed. Hence (k=10) is correct.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Introduction to Quadratic Equations.

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