Examine which of the pair of lines are intersecting, parallel, perpendicular or coincident : `2x+3y+5=0 and 4x+6y+10=0`

Examine which of the pair of lines are intersecting, parallel, perpendicular or coincident : x-y+1=0 and x+y+2=0

Examine which of the pair of lines are intersecting, parallel, perpendicular or coincident : x-y+2=0 and 2x-3y+5=0

Examine which of the pair of lines are intersecting, parallel, perpendicular or coincident : x-2y+3=0 and 2x-4y+5=0

Examine the following pair of lines are intersecting, parallel, coincident or perpendicular 2x+y+2=0 and x-2y+5=0

Examine the following pair of lines are intersecting, parallel, coincident or perpendicular : x+y+2=0 and 2x-3y+5=0

Examine the following pair of lines are intersecting, parallel, coincident or perpendicular x+y+2=0 and 2x+2y+4=0

Examine the following pair of lines are intersecting, parallel, coincident or perpendicular : x+y+2=0 and 2x+2y-7=0

Classify the following pairs of lines as coincident, parallel or intersecting: 2x+y-1=0\ a n d\ 3x+2y+5=0

Classify the following pairs of lines as coincident, parallel or intersecting: 3x+2y-4=0\ a n d\ 6x+4y-8=0

On comparing the ratios (a_1)/(a_2),(b_1)/(b_2) and (c_1)/(c_2) , and without drawing them, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincide: (i) 5x-4y+8=0;\ \ \ \ 7x+6y-9=0 (ii) 9x+3y+12=0;\ \ \ 18 x+6y+24=0 (iii) 6x-3y+10=0;\ \ \ 2x-y+9=0