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 )

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)

For each of the points given below , check whether it is a solution of equation 2x +3y = 24 or not : (-sqrt3,2sqrt3)

Draw the graph of the equation y - 2x = 4 and then answer the following. (i) Does the point (2, 8) lie on the line? Is (2, 8) a solution of the equation? Check by substituting (2, 8) in the equation. (ii) Does the point (4, 2) lie on the line? Is (4, 2) a solution of the equation? Check algebraically also. (iii) From the graph find three more solutions of the equation and also three more which are not solutions.

Determine which of the following polynomials has (x+1) a factor : x^(3) - x^(2) - (2+sqrt(2))x + sqrt(2)

Find the general solutions of the following equations : sectheta=sqrt(2)

For each of the points given below , check whether it is a solution of equation 2x +3y = 24 or not : (6,4)

Find the general solutions of the following equations : costheta=(-sqrt(3))/(2)

For each of the points given below , check whether it is a solution of equation 2x +3y = 24 or not : (3,2)