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)

Find four different solutions of 4x + y = 9. (Complete the table wherever necessary)

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

Locate the following points : (i) (1, -1, 3) (ii) (-1, 2, 4) (iii) (-2, -4, -7) (iv) (-4, 2, -5)

Which of the following points lie on the axes? Also name the axis (i) (-5,-8) (ii) (0,13) (iii) (4,-2) (iv) (-2,0) (v) (0,-8) (vi) (7,0) (vii) (0,0)

Find the values of :- (i) 2^(4) (ii) 4^(3) (iii) 3^(2) (iv) 5^(3) (v) 9^(4) (vi) 7^(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)

Which of the following expressions are polynomials in one variable and which are not ? Give reasons for you answer. (i) 3x ^(2) - 2x + 5 (ii) x ^(2) + sqrt2 (iii) p^(2) - 3p +q (iv) y + (2)/(y) (y ne 0) (v) 5 sqrtx + x sqrt5 (vi) x ^(100) + y ^(100)

Which of the following expressions are polynomias ? Which are not? Give reasons. (i) 4x ^(2) + 5x -2 (ii) y ^(2) -8 (iii)5 (iv) 2x ^(2) + (3)/(x) -5 (v) sqrt3x ^(2) + 5y (vi 1/x + 1 (x ne 0) (vii) sqrtx (viii) 3 xyz