Subtracting Complex Numbers: Key Concepts and Techniques

What is the initial complex number given in the problem?

• 2 - 3i

• 6 - 18i

• 2 + 3i

• 6 + 18i

Tags

CCSS.HSN.CN.A.1

What operation is performed to remove the parentheses?

• Multiplying by 2

• Dividing by 3

• Adding 1

• Distributing the negative sign

Tags

CCSS.1.OA.B.3

What is the result of distributing the negative sign to 6?

• -6

• -18i

• 6

• 18i

What is the result of distributing the negative sign to -18i?

• 6

• -6

• 18i

• -18i

Tags

CCSS.HSN.CN.A.1

What is the result of combining the real parts 2 and -6?

• -4

• -8

• 4

• 8

Tags

CCSS.HSN.CN.A.1

What is the result of combining the imaginary parts -3i and 18i?

• 15i

• -15i

• -21i

• 21i

Tags

CCSS.HSN.CN.A.2

What is the final real part of the result?

• 2

• -6

• -4

• 6

Tags

CCSS.HSN.CN.C.8

What is the final imaginary part of the result?

• -18i

• 15i

• -3i

• 18i

Tags

CCSS.HSN.CN.A.2

What is the final result of the subtraction?

• 2 + 15i

• -4 + 15i

• -4 - 15i

• 2 - 15i

Tags

CCSS.HSN.CN.A.2