Define the slope of a straight line.

Define slope of a straight line ?

Find the slope of the straight line through (-3, 2) and (3, 3).

Prove that the slope of a straight line is invariant under the translation of axes.

Which of the following is the slope of any straight line perpendicular to the straight line px+qy+r=0(pne0,qne0) ?

Find the slopes of straight lines (i) parallel (ii) perpendicular to the straight line 3x+4y=11.

Find the slopes of straight lines (i) parallel (ii) prpendicular to the straight line 3x+4y=11