Solve each equation for the indicated variable

Use the graph of the sine function y=2sinθ shown below

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?