Check which of the following is solution of the equation 2x - 5y = 10
(i) (0, 2) (ii) (0, –2) (iii) (5, 0) (iv) (`2sqrt3,-sqrt3`) (v) (`1/2,2`)

Check which of the following are solution of the equation x-2y=4 and which are not : (sqrt(2),4sqrt2)

Check which of the following are solutions of an equation x + 2y = 4? (Complete the table wherever necessary) (i) (0, 2) (ii) (2, 0) (iii) (4, 0) (iv) ( sqrt2 ,- sqrt2 ) (v) (1, 1) (vi) ( - 2, 3)

Name the octant in which each of the following points lies. (i) (1, 2, 3) (ii) (4, -2, 3) (iii) (4, -2, -5) (iv) (4, 2, -5) (v) (-4, 2, 5) (vi) (-3, -1, 6) (vii) (2, -4, -7) (viii) (-4, 2, -5)

Which the quadrant in which of the following points lie? (i) (-2,3) (ii) (5,-3) (iii) (4,2) (iv) (-7,-6) (v) (0,8) (vi) (3,0) (vii) (-4,0) (viii) (0,-6)

Draw the graph of each of the following linear equations. (i) 2y = -x + 1 (ii) –x + y = 6 (iii) 3x + 5y = 15 (iv) x/2-y/3 =3

Among the points given below some of the poitns lie on X-axis. Identify them (i) (0,5) (ii) (0,0) (iii) (3,0) (iv) (-5,0) (v) (-2,-3) (vi) (-6,0) (viii) (0,a) (ix) (b,0)

Find the value of the polynomial 4x ^(2) - 5x +3, at (i) x =0 (ii) x =-1 (iii) x =2 (iv) x = 1/2

Write the abscissae and ordinates of the following points. (i) (4,-8) (ii) (-5,3) (iii) (0,0) (iv) (5,0) (v) (0,-8)

For the equation 2x^(2)-6sqrt(2)x-1=0

The number of solutions of the equation 3sin^(2)x-7sinx+2=0 in [0,5pi] are …………