Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
Class 9MathematicsExploring Algebraic IdentitiesQuadratic expressionsHardLevel 74
0 reads0 ratings0 helpful

If (x^2+px+36) is a perfect square and (p) is negative, what will be the value of (p)?

Advertisement

Answer and explanation

Correct answer: (-12)

Since (36=6^2), the negative middle term is (-2\cdot6\cdot x=-12x). Exam tip: choose the sign according to the condition.

Related tags

Unknown CoefficientPerfect SquareQuadratic

Frequently asked questions

What is the correct answer to this question?

(-12)

Why is this the correct answer?

Since (36=6^2), the negative middle term is (-2\cdot6\cdot x=-12x). Exam tip: choose the sign according to the condition.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Quadratic expressions.

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

KEEP PRACTISING

10 more MCQs
  1. 1Which expression is a quadratic expression?
  2. 2Based on the powers of the variable \(x\) in the polynomial \(5x^2-3x+7\), what is the degree of this expression?
  3. 3If a, b and c are constants, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression in x?
  4. 4If a quadratic expression has the general form \(ax^2+bx+c\), which condition on \(a\) is necessary for it to be quadratic?
  5. 5Which of the following expressions represents the square of the difference of two terms?
  6. 6Which of the following quadratic expressions can be factorised using the identity for the difference of two squares?
  7. 7The length of a rectangular garden is \(x+5\) metres and its breadth is \(x+3\) metres. Which quadratic expression represents its area?
  8. 8Under which condition can the quadratic trinomial \(x^2+px+q\) be classified as a perfect-square trinomial?
  9. 9Which is the expansion of ((x+3)(x+2))?
  10. 10Which of the following expressions can be written as a difference of squares of two binomials?
Advertisement