The graphs of the equations `6x- 2y+9 =0 and 3x -y+12=0` lines which are

The graph of the equations 6x-2y+9=0" and "3x-y+12=0 are two lines which are

Write the nature of the equations 6x-2y+9 = 0 and 3x - y +12 = 0

Draw the graph of the equations x-y+1 = 0 and 3x + 2y - 12 = 0. Using this graph, find the values of x and y which satisfy both the equations.

Draw the graphs of the following equations 3x-y-2=0 and 2x+y-8=0 on the graph paper.

Graphically, the pair of equations 6x - 3y+10 = 0 2x - y + 9 = 0 represents two lines which are

Graphically, the pair of equations 6x - 3y+10 = 0 2x - y + 9 = 0 represents two lines which are

For what value of 'k'. The pair of equations 3x + 4y + 2 = 0 and 9x + 12y + k = 0 represents coincident lines.

The equations of the two lines of regression are 6x + y− 31 = 0 and 3x + 2y− 26=0 . Find the value of the correlation coefficient.

The graph of the equation y=2x^(2)-3x+1 intersect the line y=0 at

Draw the graph of the equation 4x+3y+6=0 From the graph find (i) y_(1) the value of y, when x=12 (ii) y_(2) the value of y, when x=-6