Question Solve the equation Solve for x Solve for r Solve for y x=r2−y2x=−r2−y2 Evaluate x2+y2=r2Move the expression to the right-hand side and change its sign x2=r2−y2Take the root of both sides of the equation and remember to use both positive and negative roots x=±r2−y2Solution x=r2−y2x=−r2−y2 Show Solution