(a) PQR is an isosceles triangle with PR = QR. P is the point (1, 5) and Q is the point (5, 1). Angle PRQ is not a right angle. 8. %3D Find the coordinates for one possible position of R. You may use the grid to help you. (b) Here are the equations of five curves. y =x-3r y =x +2r-8 y =x'-2 y = 2-x² Sketches of three of these curves are drawn below. Write the correct equation underneath each sketch.

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