CPM Homework Help : PCT Problem 11-8

Plot the following polar coordinate points on polar graph paper.

$A = (3, \frac { \pi } { 2 })$

$B = (−2, π)$

$C = (−1, −\frac { \pi } { 4 })$

$D = (1, −\frac { 3 \pi } { 4 })$

Answers:

5 concentric circles, with 8 diameters, including vertical & horizontal, red arrows begin at the center, go right to third circle, follows third circle counter clockwise, to top vertical radius, to red point labeled, A, green arrows begin at the center, go left to second circle, following circle counter clockwise, to right horizontal radius, to green point labeled, b.