Question

Tick the correct Answer
1) The coordinates of a point at a distance of 3 units from the x - axis and
6 units from the y - axis is :
(a) (0, 3) (b) (6, 0)
(c) (3, 6) (d) (6, 3)

2) The multiplicative inverse of 10^–100 is :
(a) 10 (b) 100
(c) 10^100 (d) 10^–100

3) Factorised form of r^2 – 10r + 21 is :
(a) (r – 1) (r – 4) (b) (r – 7) (r – 3)
(c) (r – 7) (r + 3) (d) (r + 7) (r + 3)

4) Which of the following is an identity?
(a) (p + q)^2 = p^2 + q^2 (b) p^2 – q^2 = (p – q)^2
(c) p^2 – q^2 = p^2 + 2pq – q^2 (d) (p + q)^2 = p^2 + 2pq + q^2

5) The value of (- 2)^2 x 4 — 5 is :
(a) 4 (b) - 4
(c) 8 (d) - 8

Answer 1

Answer:

1.d

2.c

3.b

4.d

5.b

5 th im not sure of it