Classify the following sets (ii)Set of lines passing through two given points.

Classify the following sets (i)Set of lines passing through a point.

Consider the points A(0,0,2) and B(3,0,1) . Find the direction cosines of the line passing through the given points.

Classify the following sets {x: x^2-2=0, x is rational}

Classify the following sets : Set of all concentric circles touching the x-axis at the origin.

Find the equation the following lines satisfying the given conditions. passing through the point (1,-1) and (3,5).

Find the equation the following lines satisfying the given conditions. passing through the point (-1,1) and (2,-4).

Find the equation the following lines satisfying the given conditions. passing through the point (-2,3) with slope -4.

Find the equation the following lines satisfying the given conditions. passing through the point (-4,3) with slope 1/2 .

Find the slope of the lines passing through the points (4,-5) and (2,1)

Find the slope of the lines passing through the points (0,-2) and (4,3)