Chapter 9 Test Study Guide - Ms. Myung's Class Microsoft Word - Chapter 9 Test Study Guide.docx...
Transcript of Chapter 9 Test Study Guide - Ms. Myung's Class Microsoft Word - Chapter 9 Test Study Guide.docx...
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Pre Calculus Chapter 9 Study Guide 1. Graph each point on the polar grid to the right. (a) π· β2, !!
!
(b) π 3,β !"!!
(c) π»(2.5, 240Β°) 2. Sketch the polar equations. (a) π = 5.5 (b) π = β !!!
!
3. Find the distance between P1(1, 30!) and P2 (3,β !
!).
4. Sketch each polar equation. Identify the type of curve each represents.
π! = 9 cos 2π 5. Find the polar coordinates. Use 0 β€ π < 2π and π β₯ 0. (a) 2, 2 (b) (β2,β3) 6. Find the rectangular coordinates of 3,β !!
!.
7. Write π₯! + π¦! = 3π₯ in polar form. 8. Write π = cosπ in rectangular form.
9. Simplify the following. (a) π!" (b) β3+ 7π + (β4β 3π) (c) (1+ 7π)(β2β 5π) (d) (!!!!)
(!!!!)
10. Graph each number in the complex plane and find its absolute value. (a) 2β 3π (b) 3π 11. Express each β4+ 4π in polar form. 12. Graph 4 cos !
!+ π sin !
!. Then
express it in rectangular form.