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

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