Quiz Solutions (4) - Math 273 Exam 2 Practice Solutions 1....

Math 273 Exam 2 Practice “Solutions”
1. Find parametric equations for the line tangent to ~ r ( t ) = t 2 ~ ı + sin t~  - e t
~
k when t = 0.
2. Suppose ~ r ( t ) = sin( t 2 ) ~ ı + ln t~  + e 2 t
~
k . Find parametric equations for the tangent line
to this curve at t = 1.
3. Determine parametric equations for the line of intersection between the planes x - 3 y +
z = 1 and - x + 2 y + 2 z = 4.