Question

SECTION-A
1. Find an irrational number between and Ę. Given that ;=0.0.142857.
2. Simplify V72 + V800 - V18.
3. Simplify 643 64 3 - 643]
4.In the following equations , examine whether x, y and z represents rational or
irrational number:
i) x = 27 ii) y2 = 7 iii) 2 = 0.16
1
5. If 2% x 4x = 83 x 325 then find the value of x.
6.Write the degree of the given polynomials:
( 2x + 4)3
ii) (+3+ 4 ) ( t3 +9)
7.Write the coefficient of x4 and x in 4x3 -5x4 +2x2 + 3.
8. Find the zeroes of z2 - 2z.
9.Find the product using suitable identities: (4 +5x)(4-5x).
10. What is the value of polynomial x2 + 8x + k, if-1 is a zero of the polynomial?
11. While writing the coordinates of a point, which comes first : y-coordinate or X-​

Answer 1

Answer:

6) 1)Degree =3

2) Degree=1

Step-by-step explanation:

As the powers are same in both the cases.

(2x + 4)3 ; (3 + 4) (t3 + 9)

The degree in the first case is 3 as the power is 3as

The degree in the second case is 1 as there is no power

.

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