- x=t²-t, y=t+t

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Polar Coordinates And Parametric Equations
Section8.CT: Chapter Test
Problem 8CT
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15. Only
In Exercises 13-20, find t-values where the curve defined by
the given parametric equations has a horizontal tangent line.
Note: these are the same equations as in Exercises 5 – 12.
-
13. x=t,y=t
14. x = √t, y = 5t+2
15. x =
t²-t,y=t² +t
16. x =
1, y = t_t
17. x = sect, y = tant on (-π/2, π/2)
4
Transcribed Image Text:In Exercises 13-20, find t-values where the curve defined by the given parametric equations has a horizontal tangent line. Note: these are the same equations as in Exercises 5 – 12. - 13. x=t,y=t 14. x = √t, y = 5t+2 15. x = t²-t,y=t² +t 16. x = 1, y = t_t 17. x = sect, y = tant on (-π/2, π/2) 4
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