Question

Q1-Q10 are the multiple choice questions. Select the most appropriate answer
from the given options.

1. The sum of zeroes of the polynomial 2x²-8x+6 is :
(a) -3 (b) 3 (c)-4 (d) 4

2. Which of the following is the decimal expansion of an irrational number?
(a) 4.561
(b) 0.121212... (c) 5.010010001....... (d) 6.03

3. HCF of 168 and 252 is:
(a) 21 (b) 42 (c) 84 (d) None of these.

4. The quadratic polynomial whose sum of zeroes is -3 and product of zeroes is -2
is :
(a) x²+3x+2 (b) x²-2x+3 (c) x²-3x+2 (d) x²+3x-2

5.845 can be expressed as a product of its primes as :
(a) 2²x5²x7
(b) 5x13
(c) 5x132
(d) 2x32x52

6. The value of (V15 + 2). (V15 - 2) is :
(a) 10 (b)7 (c) 13
(d) V3

7. A polynomial of degree 1 is called a
polynomial.
(a) Linear (b) Quadratic
(c)Cubic
(d) Zero

8. If p and q are the zeroes of the quadratic polynomial ax²+bx+c, then p+q
(a) a
b
(b)
(d)
9. A pair of linear equation in two variables which has a solution, is called a
pair of linear equation.
(a) Consistent
(b) inconsistent (c) None of these

10. Which one of the following is the quadratic equation?
(a) (x+1)=2(x-3) (b) (x-2)(x+1) = (x-1)(x+3) (c) x²+3x+1=(x-2)²
(d) (x+2) = 2x(x²-1)​

Answer 1

Answer:

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Answer 2

Answer:

1. (d)
2. c)
3. c
4. a
5. b
6. ?
7. a
8. See the picture on the top
9. a
10. ?