Further maths argand daigrams

[coarse sorrel]

where can i find q?

[nimble basin]

Centre (4,7) radius 2r

(X-4)^2 + (y-7)^2 = 4r^2

Draw a half line from (-1,0) gradient of 1

Then use b^2-4ac>0

y=x+1

And the circle

[wide thicket]

Uh

You forgot the other bound