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# Common Core Standard HSN-CN.B.4 Questions

(+) Represent complex numbers on the complex plane in rectangular and polar form (including real and imaginary numbers), and explain why the rectangular and polar forms of a given complex number represent the same number.

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Grade 11 Complex Numbers CCSS: HSN-CN.B.4
The point $2-5i$ is in which quadrant?
1. $I$
2. $II$
3. $III$
4. $IV$
Grade 11 Complex Numbers CCSS: HSN-CN.B.4
What are the polar coordinates of $2-5i$ to one decimal place?
1. $(5, -68deg)$
2. $(5.4, 68.2deg)$
3. $(5.4, -68.2deg)$
4. $(5, 68deg)$
Grade 11 Complex Numbers CCSS: HSN-CN.B.4
The point $5+7i$ is in which quadrant?
1. $I$
2. $II$
3. $III$
4. $IV$
Grade 11 Complex Numbers CCSS: HSN-CN.B.4
What are the polar coordinates of $-3+7i$ to one decimal place?
1. $(3.7, -10deg)$
2. $(-7.6, -113.1deg)$
3. $(76, 113deg)$
4. $(7.6, 113.2deg)$
Grade 11 Complex Numbers CCSS: HSN-CN.B.4
The point $1+i$ is in which quadrant?
1. $I$
2. $II$
3. $III$
4. $IV$
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