Question

Q.1 Which of the following is a rational number a)√50 b)√36 c)√84 d)√20
Q.2 The decimal expansion of √2 is a ) Finite decimal expression b) Non repeating and recurring c)1.4142 d) Non repeating and non recurring
Q.3 Decimal expression of a rational number cannot bea) Terminating b) NON terminating c) NON terminating and repeating d) NON terminating and non repeating
Q.4 (2√3+√3) is equal toa)3√3. b) 2√6 c) 6 d)4√6
Q.5 The value of (64)⁻²/³ is… a)1/64 b)1/16 c)64. d)16
Q.6 The degree of polynomial 4x⁴+0x⁵+2x²+5x+5 isa)2. b)5. c)4 d)0
Q 7 The Zero of polynomial P(x)=2x+5 isa)5/2. b)-5/2. c)2 d)5
Q.8 If( x+1) is a factor of the polymial 2x2+Kx, then the value of K isa)2 b)5 c)-2 d)1
Q.9 The factors of (4x2+8x+3) area)(x+1)(x+2). b)(2x+1)(2x+3). c)(2x+2)(2x+5) d)(2x-1)(2x-3)
Q.10 If (x+y)=2 and xy =10 then value of (X2+y2 ) isa)-16. b)16 c)20 d)10

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Answer 1

Answer:

1)b)6*6.

2)c)

3)a)

4)a)

5)Na

6)c)

7)Na

8)c

9)b)

10)a)

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Answer 2

Refer the above pictures.

Hope this helps you and everyone.