MATH 126 Midterm: MATH 126 UW Midterm 2 Fall 14perkinsExII
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2 11 sheet of notes: graphing calculators are not allowed. Turn o your cell phone: in order to receive credit, you must show your work. Math 126e (8 points) on the path where the velocity is perpendicular to the acceleration. The position of a particle is given by r(t) = 4t i + 2t2 j + ln t k. find all points. Second midterm (8 points) at the point (2, 1, 3) Calculate the equation of the tangent plane to the hyperboloid 3x2+5y2 z2 = 8. Find the absolute minimum of the function f (x, y) = y2 xy+x on the triangular. 3 (9 points) region in the rst quadrant where x + y 7. Give your answers in exact form. (a) (8 points) Clovis must calculate the area of a triangular eld. He measures edge a to be 150ft and edge b to be 200ft. The error in his edge measurements is half a foot.
