CBSE Questions for Class 9 Maths Polynomials Quiz 2 - MCQExams.com

Use the identity $$ (a+b)(a-b) = a^2-b^2$$ to evaluate:
$$21\times 19 $$.
  • $$389$$
  • $$399$$
  • $$289$$
  • $$429$$
What is the degree of the following polynomial expression:
$$\dfrac{4}{3}x^{7} - 3x^{5} + 2x^{3} + 1$$
  • 7
  • 4
  • 5
  • 3
Find the degree of the following polynomial
$$x^9-x^4+x^{12}+x-2$$
  • 12
  • 9
  • 4
  • 2
Find the degree of the following polynomial
$$3y+4y^2$$
  • y
  • 0
  • 1
  • 2
What is the degree of the following polynomial expression:
$$\dfrac{5}{3} x^{3} + 7x + 16$$
  • 2
  • 3
  • 1
  • $$\dfrac{5}{3}$$
Find the degree of the following polynomial:
$$-\dfrac{3}{2}$$
  • $$1$$
  • $$2$$
  • $$0$$
  • Cannot be determined
Find the degree of following polynomial
$$4x-\sqrt{5}$$
  • $$\dfrac{1}{2}$$
  • 1
  • 2
  • 0
Find the degree of following polynomial $$5$$
  • $$5$$
  • $$1$$
  • $$0$$
  • Constant
State true or false:
A binomial may have degree 5.
  • True
  • False
Use identities to solve: $$(97)^{2}$$
  • $$9,659$$
  • $$9,409$$
  • $$9,009$$
  • $$9,209$$
Find the zero of the polynomial given below:
$$p(x) = 9x - 3$$.
  • $$\dfrac{6}{7}$$
  • $$\dfrac{1}{2}$$
  • $$\dfrac{1}{3}$$
  • $$\dfrac{7}{3}$$
If p(x)= $$x^3-4x^2+5x-2$$, then p(2) is:
  • $$0$$
  • $$3$$
  • $$5$$
  • $$8$$
Solve for $$x$$: $$(502)^{2}$$
  • $$2,52,004$$
  • $$2,62,104$$
  • $$2,22,004$$
  • $$2,52,864$$
Degree of the polynomial $$4x^4+0x^3+0x^5+5x+7$$ is
  • $$4$$
  • $$5$$
  • $$3$$
  • $$7$$
Use identities to evaluate: $$(101)^{2}$$
  • $$11,601$$
  • $$12,761$$
  • $$10,111$$
  • $$10,201$$
Evaluate using expansion of $$(a+b)^2$$ or $$(a-b)^2$$ :
$$(9.4)^2$$
  • 88.36
  • 88.46
  • 89.16
  • 89.56
Evaluate using the expansion of $$(a+b)^2$$ or $$(a-b)^2$$ :
$$(92)^2$$
  • 8444
  • 8464
  • 8474
  • 8414
Evaluate using expansion of $$(a+b)^2$$ or $$(a-b)^2$$ :
$$(188)^2$$
  • 35444
  • 35484
  • 35344
  • 35384
State true or false:
Zero of a polynomial is always $$0$$.
  • True
  • False
Find the zeroes of $$p(x)=x-4$$.
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Find the zeroes of the following polynomial:
$$g(x)=2x+1$$.
  • $$-\dfrac{1}{2}$$
  • $$-\dfrac{1}{3}$$
  • $$-\dfrac{2}{3}$$
  • $$0$$
The degree of  $$5t-\sqrt 7$$ is
  • $$5$$
  • $$1$$
  • $$7$$
  • $$0$$
State whether True or False, if the following are zeros of the polynomial, indicated against them:
$$p(x)=lx+m, \ x=-\dfrac {m}{l}$$.
  • True
  • False
State whether True or False, if the following are zeros of the polynomial, indicated against them:
$$p(x)=(x+1)(x-2), \ x=-1, 2$$.
  • True
  • False
The degree of $$5x^3+4x^2+7x$$ is
  • $$1$$
  • $$2$$
  • $$4$$
  • $$3$$
Simplify $$a (a^2 + a + 1) + 5$$ and find its value for a = 0
  • 5
  • 4
  • 3
  • 2
State True or False, if the following are zeros of the polynomial, indicated against them:
$$p(x)=3x+1, \ x=-\dfrac {1}{3}$$.
  • True
  • False
Find the zero of the polynomial $$p(x)=x+5$$.
  • $$-5$$
  • $$5$$
  • $$0$$
  • $$3$$
Simplify $$a (a^2 + a + 1) + 5$$ and find its value for a = -1
  • 0
  • 4
  • 2
  • 6
Substituting $$x= -3$$ in
$$x^2+5x +4$$ gives 
  • $$-2$$
  • $$2$$
  • $$15$$
  • $$-15$$
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