1.2 Co-ordinate geometry in the x, y plane

The line $y = m x + 2$ is a tangent to the circle $x - 5)^2 + (y + 1)^2 = 15$ .

Find the two possible values of $m$ , giving your answers in exact form.

[7]

The line $y = m x + 2$ is a tangent to the circle $x - 5)^2 + (y + 1)^2 = 15$ .

Find the two possible values of $m$ , giving your answers in exact form.

[7]

1.2 Co-ordinate geometry in the x, y plane Questions