If a line passing through the origin touches the circle `( x - 4) ^(2) + (y + 5) ^(2) = 25` , then find its slope

A circle passes through the points (0,0) and (0,1) and also touches the circle x ^(2) + y ^(2) = 16. The radius of the circle is a)1 b)2 c)3 d)4

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

Find the slope of the line passing through the points (1,6) and (-4,2) .

The slope of the line passing through the points (3,-2) and (7,-2) is…..

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

Find the slope of the lines passing through the points (3,-2) and (-1,4)

Find the slope of the line passing through the points (3,-2) and (-1,4).