Find an integer a such that
(i) `a + 6 = 0 " " (ii) 5 + a = 0 " " (iii) a + (-4) = 0 " " (iv) -8 + a = 0 `

Find an integer a such that (i) 2 + a = 0 (ii) a + (-6) = 0

Find an integer x such that x+1=0 (ii) x+5=0

Find an integer x such that -3+x=0 (ii) x+(-8)=0

Find an integer x such that (i) -3+x=0 (ii) x+(-8)=0

Write all integers between (i) 0 " and " 6 (ii) -5 " and " 0 (iii) -3 " and " 3 (iv) -7 " and " -5

Mark the following integers on a numbe line : (i) -5 " " (ii) -2 " " (iii) 0 (iv) 7 " " (v) -13

How many integers are between? (i) -4\ a n d\ 3 (ii) 5 and 12 (iii) -9\ a n d-2 (iv) 0 and 5

The equation of the directrix of the parabola x^(2) - 4x - 8y + 12 = 0 is (i) y = 0 (ii) x - 1 = 0 (iii) y+ 1 = 0 (iv) x + 1 = 0

In each of the pairs given below, find the larger integer. (i) 0, -3 " " (ii) -4 , -6 " " (iii) -99 , 9 " " (iv) -385 , -615

In the following cases, find the co-ordinates of the foot of the perpendicular drawn from the origin to the plane : (i) 2x + 3y + 4z - 12 = 0 (ii) 3y + 4z - 6 = 0 (iii) x + y + z = 1 (iv) 5y + 8 = 0.