For x2+y2=25x^2 + y^2 = 25x2+y2=25, the slope at (3,4)(3, 4)(3,4) isA4/34/34/3B3/43/43/4C−3/4-3/4−3/4check_circleD−4/3-4/3−4/3ExplanationFrom y′=−x/yy' = -x/yy′=−x/y: at (3,4)(3, 4)(3,4), y′=−3/4y' = -3/4y′=−3/4.