Question

1. Choose the correct option: 1 × 5 = 5

(i) Value of (√5 + 1)(√5 − 1) - (a) √5 (b) 4 (c) 0 (d) 5

(ii) Which is a polynomial? (a)

2 + 3√ + 3 (b) 2 + √ + (c)

2 + 3 + 5 (d)

2 +

1



+ 1

(iii) Which quadratic equation has real roots?

(a)

2 + 9 + 4 = 0 (b)

2 − 4 + 5 = 0 (c)

2 + + 2 = 0 (d)

2 + 5 + 8 = 0

(iv) If 1

2

, ,

7

6

are an AP, then a is equal to (a) 3

5

(b) 6

5

(c) 5

6

(d) 3

2

(v) If pair of linear equation is consistent, then the lines will be:

(a) Always intersecting (b) Always coincident (c) Parallel (d) intersecting or coincident

2. Fill in the blanks: 1 × 5 = 5

(i). The maximum number of zeroes of the linear polynomial is ………..

(ii). HCF (15, 8)……….

(iii). Sum of zeroes of polynomial 2 + + ---------.

(iv). A number whose unit place digit is x and tens place digit is y ---------.

(v). Sum of first 100 natural numbers are----------.

3. True/False Statement: 1 × 5 = 5

(i). The graph of a quadratic equation is a straight line.

(ii). 1

2

, 32

, 52 ………… is an A.P.

(iii). Each natural number is a whole number.

(iv). The highest power of in polynomial () is called the degree of the polynomial.

(v). a, a2

, a3 ………… is an A.P.

4. Match the following 1 × 5 = 5

(1) 1 − 2 (a) √2

(2) 45° (b) 1

4

(3) 230° (c) 2

(4) 2sin 60° cosec 60° (d) 1

(5) 260° − 260° (e) 2​

Answer 1

Answer:

5

Step-by-step explanation:

5 Is the correct option.

Answer 2

Answer:

2 ka

1 T

2 T

3F

4 T

5 F

3 ka

1 F

2 F

3 t

4 F

5 F