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CBSE Questions for Class 9 Maths Polynomials Quiz 10 - MCQExams.com

A real number α is said to be a zero of the polynomial p(x), if ___________.
  • p(α)=0
  • p(α)=1
  • p(α)=x
  • p(α)=α
A real number 'α' is said to be a ................. of the polynomial p(x), if p(α)=0.
  • linear
  • zero
  • constant
  • cubic
Which of the following does NOT represent a zero polynomial?
  • p(x)=0
  • p(x)=0.x0
  • p(x)=x0
  • p(x)=x01
The zero polynomial is the _________ identity of the additive group of polynomials.
  • multiplicative
  • additive
  • multiplicative inverse
  • additive inverse
Using binomial identities, expand the following expression (t+3)2
  • t26t9
  • t2+6t9
  • t2+6t+9
  • t26t+9
What is the product of (x2x)2?
  • 2x2
  • x2x2
  • x2
  • 8x2
If f(x)=x21, and f(2a)=35, then calculate the value of a.
  • 6
  • 3
  • 1
  • 2
  • 6
x3(x25)=4x
If x>0, what is one possible solution to the equation above?
  • 1 or 2
  • only 1
  • only 2
  • none of these
If xy=(x+y)2(xy)2. Then 45=.
  • 0
  • 85
  • 105
  • 15
  • 20
Find the value of (2x+5)(2x5).
  • 4x25
  • 4x225
  • 2x225
  • 4x25
Simplify the following expression: (sr)2(s+r)2
  • 2sr
  • 2s2+2r2
  • 4sr
  • 2s22r2
If (3+2) is a root of x311x2+37x35=0, find the rational root.
  • 3
  • 5
  • 2
  • None of these
Reduce the following expression using binomial identities: (3x+5)(3x+10).
  • 9x2+45x+50
  • 9x245x+50
  • 9x2+45x50
  • 9x2+4550
The value of (7.2)2 is (use an identity to expand):
  • 49.9
  • 14.4
  • 51.84
  • 49.04
The expansion of (2x3y)2 is:
  • 2x2+3y2+6xy
  • 4x2+9y212xy
  • 2x2+3y26xy
  • 4x2+9y2+12xy
The degree of zero polynomial is zero.
  • True
  • False
Find the value of p(x)=4x23x+7 at x=1.
  • 6
  • 7
  • 8
  • 9
Write whether the following statement is True or False. 
A binomial may have degree 3.
  • True
  • False
(a+b)2(ab)2= _____.
  • 4ab
  • 2ab
  • a2+2ab+b2
  • 2(a2+b2)
The number of real zeroes of polynomial P(x)=x3x is ..............
  • 2
  • 1
  • 0
  • 3
The zero of the polynomial 2x5 is:
  • 52
  • 52
  • 25
  • 25
What is the degree of the given monomial 7y?
  • 0
  • 1
  • 2
  • 7
Find the degree of the given algebraic expression:
3x15 
  • 1
  • 3
  • 2
  • 15
The repeated root of x3+4x2+5x+2=0 is
  • -5/3
  •  -2
  • -1
  • 1
Find the degree of the given algebraic expression ax2+bx+c.
  • 0
  • 1
  • 2
  • 3
The value of (512+312)(512312) is:
  • 2
  • 3
  • 5
  • 1
Find the product of (12x213y2) and (12x2+13y2).
  • 19y414x4
  • 14x419y4
  • 4x29y4
  • 14x4+19y4
The polynomial having atmost 3 zero
  • constant polynomial
  • linear polynomial
  • quadratic polynomial
  • cubic polynomial
Find the value of f(x)=x2+1x2 at x=1,2.
  • f(1)=2,f(2)=174
  • f(2)=2,f(1)=174
  • f(1)=2,f(2)=174
  • f(2)=2,f(1)=174
Check whether 3 is zero of polynomial 2x3x213x6.
  • True
  • False
0:0:2


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