NZ Level 8 (NZC) Level 3 (NCEA) [In development]
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Multiplication of Numbers in Polar Form

Interactive practice questions

Answer the following.

a

Which is true?

When multiplying two complex numbers in trigonometric form, we add their absolute values and add their arguments.

A

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and add their arguments.

B

When multiplying two complex numbers in trigonometric form, we add their absolute values and multiply their arguments.

C

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and multiply their arguments.

D

When multiplying two complex numbers in trigonometric form, we add their absolute values and add their arguments.

A

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and add their arguments.

B

When multiplying two complex numbers in trigonometric form, we add their absolute values and multiply their arguments.

C

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and multiply their arguments.

D
b

Which is true?

When dividing two complex numbers in trigonometric form, we subtract their absolute values and divide their arguments.

A

When dividing two complex numbers in trigonometric form, we subtract their absolute values and subtract their arguments.

B

When dividing two complex numbers in trigonometric form, we divide their absolute values and divide their arguments.

C

When dividing two complex numbers in trigonometric form, we divide their absolute values and subtract their arguments.

D

When dividing two complex numbers in trigonometric form, we subtract their absolute values and divide their arguments.

A

When dividing two complex numbers in trigonometric form, we subtract their absolute values and subtract their arguments.

B

When dividing two complex numbers in trigonometric form, we divide their absolute values and divide their arguments.

C

When dividing two complex numbers in trigonometric form, we divide their absolute values and subtract their arguments.

D
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Approx a minute
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Outcomes

M8-9

Manipulate complex numbers and present them graphically

91577

Apply the algebra of complex numbers in solving problems

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