CBSE Questions for Class 9 Maths Polynomials Quiz 4 - MCQExams.com

Is $$\displaystyle x=-4$$ is a solution of equation  $$\displaystyle { x }^{ 2 }-x-20=0$$?
  • Yes
  • No
  • Can't say
  • None
The zero(s) of $$p(x) = 5x - 4$$ is/are:
  • $$-4$$
  • $$5$$
  • $$\dfrac{4}{5}$$
  • $$- \dfrac{4}{5}$$
Which of the following is INCORRECT?
  • $$p(x) = 5x + 5, $$ degree $$= 1$$
  • $$p(x) = 4x^4 + 4, $$ degree $$= 4$$
  • $$p(x) = x^8 , $$ degree $$= 8$$
  • $$p(x) = 9, $$ degree $$= 9$$
Is $$x=9$$  a solution of $$\displaystyle { x }^{ 2 }-63-2x=0$$?
  • Yes
  • No
  • Can't say
  • None
$$\displaystyle x=\frac { 4 }{ 3 } $$ is a root of equation $$\displaystyle { x }^{ 2 }-\frac { 16 }{ 9 } =0$$
  • Yes
  • No
  • Can't possible
  • None
$$p(x) = 25 $$ is a _______ polynomial.
  • linear
  • quadratic
  • constant
  • cubic
Find the polynomial with degree $$6$$.
  • $$6{ x }^{ 4 }+7{ x }^{ 2 }$$
  • $$8{ x }^{ 4 }{ y }^{ 2 }+7{ x }^{ 5 }{ y }^{ 3 }-\dfrac { 3 }{ 5 } $$
  • $$8{ x }^{ 2 }{ y }^{ 2 }{ z }^{ 2 }+7{ x }^{ 2 }{ y }^{ 2 }z+3{ x }^{ 4 }$$
  • $$8{ x }^{ 6 }{ y }^{ 6 }+{ y }^{ 2 }+7{ x }^{ 3 }$$
Find the solution of $$(2x+6)^2$$.
  • $$x^2+24x+36$$
  • $$4x^2+24x+6$$
  • $$4x^2+24x+36$$
  • $$4x^2-24x+36$$
$$107\times 107+93\times93=$$?
  • $$19578$$
  • $$19418$$
  • $$20098$$
  • $$21908$$
  • None of these
$$217\times 217+183\times 183=$$?
  • $$79698$$
  • $$80578$$
  • $$80698$$
  • $$81268$$
Find a zero of the polynomial $$p(x) = 3x + 1$$
  • $$\dfrac {1}{3}$$
  • $$\dfrac {-1}{3}$$
  • $$3$$
  • $$-3$$
Find zero of the polynomial $$f(x) = x + 2$$ :
  • $$0$$
  • $$-2$$
  • $$2$$
  • $$-\dfrac {1}{2}$$
Find the zero of the polynomial $$f(x) = x - 2$$ :
  • $$-2$$
  • $$2$$
  • $$\dfrac {1}{2}$$
  • $$-\dfrac {1}{2}$$
Find the zero of the polynomial $$f(x) = 2x + 3$$.
  • $$-\dfrac {3}{2}$$
  • $$\dfrac {3}{2}$$
  • $$\dfrac {2}{3}$$
  • $$-\dfrac {2}{3}$$
The degree of the polynomial $$2x^{2} - 4x^{3} + 3x + 5$$ is
  • $$0$$
  • $$1$$
  • $$2$$
  • $$3$$
The degree of the polynomial $$5x^7 - 6x^5 + 7x - 6$$ is
  • $$4$$
  • $$5$$
  • $$6$$
  • $$7$$
The degree of the polynomial $$x^{2} - 5x^{4} +\dfrac {3}{4}x^{7} - 73x + 5$$ is ____
  • $$7$$
  • $$\dfrac {3}{4}$$
  • $$4$$
  • $$-73$$
$$(a + b)^{2} = (a + b)\times$$ ____
  • $$ab$$
  • $$2ab$$
  • $$(a + b)$$
  • $$(a - b)$$
The root of the polynomial equation $$3x-1=0$$ is
  • $$x=-\dfrac{1}{3}$$
  • $$x=\dfrac{1}{3}$$
  • $$x=1$$
  • $$x=3$$
The degree of the polynomial $$4x^2-7x^3+6x+1$$ is.
  • 2
  • 1
  • 3
  • 0
The roots of the polynomial equation $$x^2+2x=0$$ are:
  • $$x=0, 2$$
  • $$x=1, 2$$
  • $$x= 1, -2$$
  • $$x=0, -2$$
The degree of $$(6{x}^{7} -7{x}^{3} + 3{x}^{2} + 2x -1)$$ is ______.
  • $$7$$
  • $$6$$
  • $$3$$
  • $$5$$
The zero of the polynomial $$P(x)=\sqrt { 5 } x-5$$
  • $$\sqrt { 5 } $$
  • $$-\sqrt { 5 } $$
  • $$\cfrac { \sqrt { 5 } }{ 5 } $$
  • $$-5$$
The degree of $$(6x^{4} - 7x^{3} + 3x^{2} + 2x - 1)$$ is _______.
  • $$4$$
  • $$6$$
  • $$3$$
  • $$5$$
Number of zeros of the 'zero polynomial' is equal to?
  • $$0$$
  • $$1$$
  • $$2$$
  • Infinite
The degree of the polynomial $$p(x) =x^7 - 5x^3 - 3x^2 + 2x$$ is _____
  • $$7$$
  • $$2$$
  • $$3$$
  • $$1$$
Zeros of the polynomial p (x) = $$x^{2}-2x$$ is /are
  • $$0,2$$
  • $$0,1$$
  • $$1,2$$
  • $$2,3$$
Zero's of the polynomial p(x) =$$x^{2}$$-2x is / are :
  • 0, 2
  • 0, 1
  • 1, 2
  • 2, 3
The degree of the polynomial $$x^2-5x^4+\dfrac{3}{4}x^7-73x+5$$ is 
  • $$7$$
  • $$\dfrac{3}{4}$$
  • $$4$$
  • $$-73$$
Sum of zeros of the polynomial $$x^2-6$$ is _______ 
  • $$0$$
  • $$-6$$
  • $$1$$
  • $$6$$
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