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Subjects
Class 10MathematicsQuadratic EquationsMethods of Solving Quadratic EquationsExpertLevel 35
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If one root of (x^2-23x+q=0) is (9), what will be the other root?

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Answer and explanation

Correct answer: (14)

The sum of roots is (23), so the other root is (23-9=14). In exams, use the sum when one root is given.

Related tags

QuadraticRootsSum-Of-Roots

Frequently asked questions

What is the correct answer to this question?

(14)

Why is this the correct answer?

The sum of roots is (23), so the other root is (23-9=14). In exams, use the sum when one root is given.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.

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10 more MCQs
  1. 1Using factorisation method, what are the roots of (x^2-5x+6=0)?
  2. 2In factorisation method, how will (x^2+7x+12=0) be written?
  3. 3Which is the simplest method to solve (x^2-9=0)?
  4. 4If (x^2=16), what is the value of (x) by square root method?
  5. 5Using the zero-product rule, what are the solutions of x(x−4)=0?
  6. 6In completing square method for \(x^2+6x+5=0\), which number is added and subtracted?
  7. 7Which is the correct formula to find roots of (ax^2+bx+c=0) by quadratic formula?
  8. 8What do we get first after simplifying (2x^2-8=0)?
  9. 9What are the correct factors for (x^2-2x-8=0)?
  10. 10In which form can (x^2+4x+4=0) be written?
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