A circle has the following equation: x²+y²=65 work out the equation of the tangent to the circle at the point where x=4 and y is negative
give your answer in thr form y=mx+c where m and c are integers or fractions in their simplest form

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown