Real and Imaginary Parts

Simplify the following expression:

• 
• 
• 
• 

Tags

CCSS.HSN.CN.A.3

X and Y axis represent ______ Respectively

• Real and Real parts

• Real and Imaginary parts

• Imaginary parts

• Imaginary and Real parts

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CCSS.HSN.CN.B.4

The Real part of -3 +5i is ?

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CCSS.HSN.CN.A.1

Real part of -5.5 i +4.4

• 5.5

• 4.4

• -5.5

• -4.4

Tags

CCSS.HSN.CN.A.1

What replaces the x-axis in an argand diagram when representing complex numbers?

• The real part

• The imaginary part

• The complex conjugate

• The magnitude

Tags

CCSS.HSN.CN.B.4

What replaces the y-axis in an argand diagram when representing complex numbers?

• The real part

• The imaginary part

• The complex conjugate

• The magnitude

Tags

CCSS.HSN.CN.B.4

What is the complex conjugate of a complex number?

• Switching the sign of the real part

• Switching the sign of the imaginary part

• Switching the sign of both the real and imaginary parts

• Switching the sign of neither the real nor imaginary parts

Tags

CCSS.HSN.CN.A.3

What is the result of adding Z1 and Z2, where Z1 = 3 + 2i and Z2 = -4 + i?

• -1 + 3i

• -1 - 3i

• 1 + 3i

• 1 - 3i

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CCSS.HSN.CN.A.2

What is the result of subtracting Z2 from Z1, where Z1 = 3 + 2i and Z2 = -4 + i?

• 7 + i

• 7 - i

• -7 + i

• -7 - i

Tags

CCSS.HSN.CN.A.2

What is the representation of the complex number 7 + i on an argand diagram?

• 7 units to the right, 1 unit up

• 7 units to the left, 1 unit down

• 7 units to the right, 1 unit down

• 7 units to the left, 1 unit up

Tags

CCSS.HSN.CN.B.4