Could someone plz help me on this math problem

In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (–2, –4) b. quadrant iii; (2, 4) c. quadrant iii; (–2, –4) d. quadrant iv; (–4, –2)

How can i differentiate this equation?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i