Class 10 Mathematics Polynomials Exercise 2.1 Quiz
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Questions and Answers

Which of the following expressions is a polynomial in one variable?

  • 3t + t^2
  • 4x^2 - 3x + 7 (correct)
  • y^2 + 2
  • y + 2y

What is the coefficient of x^2 in the expression 2 - x^2 + x^3?

  • -1 (correct)
  • 1
  • 2
  • 0

What is the degree of the polynomial 3?

  • 0 (correct)
  • 1
  • 2
  • 3

Which of the following polynomials is linear?

<p>x - x^3 (C)</p> Signup and view all the answers

What is the value of p(-1) for p(x) = 5x^3 - 2x^2 + 3x - 2?

<p>-6 (C)</p> Signup and view all the answers

What is the value of q(y) at y = 2 if q(y) = 3y^3 - 4y + 11?

<p>-17 (D)</p> Signup and view all the answers

How many terms are there in the polynomial -x^3 + 4x^2 + 7x - 2?

<p>4 terms (A)</p> Signup and view all the answers

What is the coefficient of x in the polynomial x^2 - x + 7?

<p>-1 (A)</p> Signup and view all the answers

Which of the following is an example of a constant polynomial?

<p>-5 (B)</p> Signup and view all the answers

What is the term called when a polynomial has a variable raised to a negative exponent?

<p>Non-polynomial term (C)</p> Signup and view all the answers

Why is the expression x + 3 not considered a polynomial?

<p>It has a variable raised to a non-whole number exponent (D)</p> Signup and view all the answers

Is the expression 3y + y^2 a polynomial?

<p>No, because it does not have whole number exponents (D)</p> Signup and view all the answers

What is the degree of a polynomial?

<p>The highest power of the variable in the polynomial (C)</p> Signup and view all the answers

Which of the following statements about linear polynomials is true?

<p>They have a degree of 1 (A)</p> Signup and view all the answers

What is a quadratic polynomial?

<p>A polynomial with a degree of 2 (A)</p> Signup and view all the answers

Which of the following is a linear polynomial in one variable?

<p>-3x + 5 (C)</p> Signup and view all the answers

What is the form of any quadratic polynomial in x?

<p>ax^2 + bx + c, where a, b, c are constants and a ≠ 0 (A)</p> Signup and view all the answers

How many terms can a linear polynomial in x have?

<p>2 terms (A)</p> Signup and view all the answers

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