please explain.

The curve 5x2 + 4y - -9cy is shown in the graph below in blue. Use the graph below to draw the line tangent to the curve at the point (-1, 1). Submit your answer by dragging the black point such that the drawn tangent line (shown in red) matches the equation for it. Provide your answer below: On The line The (-6.7) ( --1, 1)