Check each of the given system of equations to see if it has a unique solution, infinite solutions or no solution. Solve them graphically.
`4x + 8y = 12`
`x + 2y = 3`

Check each of the given sustems of equations to see if has a unique solution, infinitely many solutions or no solution. Solve them graphically. x+2y=6, 2x+4y=12.

Check each of the given sustems of equations to see if has a unique solution, infinitely many solutions or no solution. Solve them graphically. 2x+3y=1, 3x-y=7.

Check each of the given sustems of equations to see if has a unique solution, infinitely many solutions or no solution. Solve them graphically. 3x+2y=6, 6x+4y=18.

The pair of linear equations px+2y=5 and 3x+y=1 has unique solution if

If the pair of equations kx+14y+8=0 and 3x+7y+6=0 has a unique solution then……….

Solve the following systems of equations. i) by using Cramer's rule and matrix inversion method, when the coefficient matrix is non-singular. ii) ' by using Gauss-Jordan method. Also determine whether the system has a unique solution or infinite number of solutions or no solution and find the solutions if exist. x + y +z=1 2x + 2y + 3z=6 x + 4y + 9z =3

For what value of k, the following system of equations has a unique solution? x-ky=2 , 3x+2y=-5 .

The system of linear equations x+y+z=2, 2x+y-z=3, 3x+2y+kz=4 has a unique solution if