If the point `(a ,a)` is placed in between the lines `|x+y|=4,` then find the values of `adot`

If the point (alpha, alpha) falls between the lines |x+y|=4 , then

If the point (a , a) falls between the lines |x + y| = 2. then .

If the point P(a^(2),a) lies in the region corresponding to the acute angle between the lines 2y=x and 4y=x, then find the values of a.

A line passing through the points (a ,\ 2a) and (-2,\ 3) is perpendicular to the line 4x+3y+5=0 , find the value of adot

A line passing through the points (a, 2a) and (-2, 3) is perpendicular to the line 4x+3y+5=0 , find the value of a .

If (a, 3a) is a variable point lying above the straight line 2x+y+4 =0 and below the line x+4y-8=0, then find the values of a.

If the image of the point (3,8) in the line px+3y-7=0 is the point (1,-4), then find the value of p.

If (1, 4) is the point of intersection of the lines 2x + by = 6 and 3 y = 8 + ax , then find the value of a -b

If the acute angle between the lines 4x-y+7=0 and kx-5y-9=0 is (pi)/(2) , then find the value of k