[" 16.A line passes through the points "A(4,-6)" and "B(-2,-5)" .Show that the line "],[AB" makes an obtuse angle with the "x" -axis."]

Slope of the line passing through the points ( 4 , 6) and ( 2 , - 5) is

A line passes through the points (6,-7,-1) and (2,-3,1). Find te direction cosines off the line if the line makes an acute angle with the positive direction of the x-axis.

A line passes through the points A(2,-3) and B(6,3) , find the slope of the line which is parallel to AB :

Prove that line passes from the points A( 4, -6) and B(-2, -5) makes obtuse angle with X- axis.

Consider the line passing through the points (3,4) and (x,5) if the line makes an angle of 135^@ with positive direction of x-axis, find the value of x.

Find the equation of the lines passing through the point (1,1) and the perpendicular from the origin makes an angle 60^(@) with x-axis.

A line passes through the points (6,-7,-1)a n d(2,-3,1)dot Find te direction cosines off the line if the line makes an acute angle with the positive direction of the x-axis.

A line passes through the points (6,-7,-1)a n d(2,-3,1)dot Find te direction cosines off the line if the line makes an acute angle with the positive direction of the x-axis.