CBSE Questions for Class 9 Maths Polynomials Quiz 9 - MCQExams.com

If $$2$$ is a root of $$kx^4-11x^3+kx^2+13x+2$$, what is the value of $$k$$?
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Find the value of $$1.03^2$$ using identity.
  • $$1.0409$$
  • $$1.0609$$
  • $$1.0009$$
  • $$1.0309$$
The zero of a polynomial $$P(x)$$ is:
  • A number $$c$$ such that $$P(c) = 0$$
  • A number $$c$$ such that $$P(-c) = 1$$
  • A number $$c$$ such that $$P(c)+P(-c) = 0$$
  • none of the above
Find the value of $$(a-b)(a+b)+(b-c)(b+c)+(c-a)(c+a)$$.
  • $$abc$$
  • $$a^2+b^2+c^2$$
  • $$0$$
  • $$1$$
If $$p(x) = 5x - 4$$, then $$p(2) = $$
  • $$1$$
  • $$6$$
  • $$0$$
  • $$3$$
The _________ power of the variable in a polynomial is called its degree.
  • highest
  • lowest
  • negative
  • none of these
If $$p(x) = x^3 - 8x^2 + 4$$, then $$p(4) =$$
  • $$68$$
  • $$60$$
  • $$-60$$
  • $$-68$$
If $$p(-2) = 24 $$, then $$p(x) = $$
  • $$3x^2 + 5x + 3$$
  • $$3x^2 - 5x + 3$$
  • $$3x^2 + 5x + 2$$
  • $$3x^2 - 5x + 2$$
If $$p(-3) = 27$$, then $$p(x) =$$
  • $$4x^2 - 3x$$
  • $$4x - 3x$$
  • $$4x^2 + 3x$$
  • $$4x^2 + 3$$
If $$p(x) = 5x^2 - 4x + 2$$, then $$p(3) =$$
  • $$35$$
  • $$30$$
  • $$45$$
  • $$33$$
If $$p(1) = 8$$, then $$ p(x) = $$
  • $$3x + 6$$
  • $$3x + 3$$
  • $$3x + 4$$
  • $$3x + 5$$
The highest power of the variable in a polynomial is called its _______.
  • degree
  • constant
  • zero
  • co-efficient
$$5x + 3$$ is a polynomial in $$x$$ of degree
  • $$2$$
  • $$1$$
  • $$3$$
  • $$5$$
$$p(a) = 3a^2 + 4a - 4$$ is a polynomial in $$a$$ of degree
  • $$4$$
  • $$3$$
  • $$2$$
  • $$1$$
Which of the following is NOT a constant polynomial?
  • $$p(x) = 15$$
  • $$p(x) = 1$$
  • $$p(x) = x$$
  • $$p(x) = 20$$
Which of the following polynomial defines constant polynomials?
  • $$p(x) = ax^3 + bx^2 + cx + d$$
  • $$p(x) = ax^2 + bx + c$$
  • $$p(x) = c$$
  • $$p(x) = ax + b$$
$$p(y) = 5y^3 - 2y^2 + y + 10$$ is a polynomial in $$y$$ of degree
  • $$0$$
  • $$1$$
  • $$2$$
  • $$3$$
Which of the following is a constant polynomial?
  • $$p(x) = \dfrac{15}{2}$$
  • $$p(x) = x$$
  • $$p(x) = x^2$$
  • $$p(x) = x^3$$
Which of the following is a constant polynomial?
  • $$p(x) = 7 + 3x$$
  • $$p(x) = 7 $$
  • $$p(x) = 7x + 7$$
  • $$p(x) = 4x + 3$$
$$p(x) = c$$, where $$c$$ is a real number. $$p(x)$$ is a
  • linear polynomial
  • quadratic polynomial
  • cubic polynomial
  • constant polynomial
$$p(x) = 6x^2 - 2x^6 $$ is a polynomial in $$x$$ of degree
  • $$6$$
  • $$3$$
  • $$1$$
  • none of these
$$p(5) = 5$$ then, which polynomial from the following, it corresponds to?
  • $$p(x) = x^2 - 5x + 5$$
  • $$p(x) = x^2 - 5x$$
  • $$p(x) = x^2 - x + 5$$
  • $$p(x) = x^2 $$
What is the degree of the polynomial $$p(x) = 5x^3 - 8x^2 + 4x?$$
  • $$3$$
  • $$2$$
  • $$1$$
  • $$0$$
What is the degree of the polynomial $$p(x) = 8x^8 + 9x^9 + 10x^0$$?
  • $$8$$
  • $$9$$
  • $$10$$
  • $$0$$
The constant polynomial whose coefficients are all equal to $$0$$ is called ________ polynomial.
  • Zero
  • Linear
  • Quadratic
  • Cubic
A polynomial whose coefficients are all equal to _______ is called zero polynomial.
  • $$1$$
  • $$2$$
  • $$3$$
  • $$0$$
Which of the following is not a constant polynomial?
  • $$p(x) = 3^3$$
  • $$p(x) = 2^3$$
  • $$p(x) = x^3$$
  • $$p(x) = 4^3$$
Which of the following polynomials, has $$p(6) = 36$$ value?
  • $$p(x) = x$$
  • $$p(x) = x^2$$
  • $$p(x) = x^3$$
  • $$p(x) = x^0$$
For $$p(x) = 3x^2 - 5x, p(6) = $$
  • $$36$$
  • $$72$$
  • $$78$$
  • $$77$$
Zero polynomial can be written as ________.
  • $$p(x) = x$$
  • $$p(x) = 1$$
  • $$p(x) = 0$$
  • $$p(x) = x^2$$
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