Polynomials — Practice Quiz
Jharkhand Board · Class 9 · Mathematics
Try a 4-question quiz on Polynomials for Jharkhand Board Class 9 Mathematics: tap an answer to check it and see why. 29 questions in the full chapter test.
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Quick Quiz: Polynomials
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Which of the following is a polynomial?
What is the degree of the polynomial 5x³ - 2x + 7?
What is the coefficient of x² in the polynomial 3x³ - 4x² + 2x - 1?
If p(x) = x - 3, what is p(3)?
Sample Questions
Which of the following are binomials? (Select all correct answers)
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x + 5, 2x² - 3x, y³ - 8
A binomial is a polynomial with exactly two terms. x + 5 (two terms), 2x² - 3x (two terms), and y³ - 8 (two terms) are binomials. x² + 2x + 1 has three terms (trinomial), and 7 has one term (monomial).
A polynomial of degree 2 is called a:
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Quadratic polynomial
Polynomials are classified by their degree: degree 1 = linear, degree 2 = quadratic, degree 3 = cubic. A polynomial of degree 0 is a constant polynomial.
Which of the following are monomials? (Select all correct answers)
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5x³, -7, 9y
A monomial is a polynomial with only one term. 5x³, -7, and 9y each have only one term. 2x + 1 and x² + x have two terms each, making them binomials.
What is the zero of the linear polynomial 2x + 6?
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-3
To find the zero, set the polynomial equal to 0: 2x + 6 = 0. Solving: 2x = -6, so x = -3. We can verify: 2(-3) + 6 = -6 + 6 = 0.
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