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MAT Question and answers correctly solved 2024/2025
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MAT Question and answers correctly solved 2024/2025 MAT-172 Quiz #8 Study Guide - Chapter 11.6 - Part 1 Can you also graph with the polar coordinate system? - correct answer YES! What if r is greater than 0? - correct answer P lies on terminal side What if r is less than 0? - correct...

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  • October 15, 2024
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  • 2024/2025
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  • mat question and answers correctly solved 202420

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MAT-172 Quiz #8 Study Guide - Chapter
11.6 - Part 1
Can you also graph with the polar coordinate system? - correct answer
✔YES!


What if r is greater than 0? - correct answer ✔P lies on terminal side


What if r is less than 0? - correct answer ✔Point P lies on the opposite
direction of terminal side


What is representative of x? - correct answer ✔r cos theta


What is representative of y? - correct answer ✔r sin theta


What does r squared equal? - correct answer ✔x^2 + y^2


What does tan theta equal? - correct answer ✔y / x


Is x ever supposed to equal 0, when it comes to tan theta? - correct answer
✔NO!


How do you graph P(2,30 degrees)? - correct answer ✔Find the x ring of 2,
on the line of 30 degrees


How do you graph Q(-4, 2 pi / 3)? - correct answer ✔Find the line of 120
degrees, then go back 4 spaces on the opposite direction, ultimately to 300
degrees

, How do you graph R(5, -pi / 4)? - correct answer ✔Find the line of 315
degrees, and go up to the ring of 5


How else can you find P(2,30 degrees)? - correct answer ✔x = 2 cos 30
y = 2 sin 30


(Square Root of 3, 1)


Can there be infinitely many pairs of polar coordinates for points? - correct
answer ✔YES!


What are the polar coordinates for (2, 30 degrees)? - correct answer ✔(2,
390 degrees), (2, -330 degrees), (-2, 210 degrees)


What are three other pairs of polar coordinates for P(3, 140 degrees)? -
correct answer ✔(-3, -40 degrees), (3, -220 degrees), (-3, 320 degrees)


How do you determine polar coordinates from rectangular coordinates? -
correct answer ✔Find out the tangent, and use r = square root of both the x
and y values


If r has to be greater than 0, do you use negative values? - correct answer
✔NO!


How do you find out r? - correct answer ✔Square root both of x and y
squared

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