Adding Subtracting Imaginary and Complex Numbers

Find all solutions to each equation, real or imaginary.

x²=-36

• 6,-6

• 6

• -6

• 6i, -6i

Write the expression in the form of a+bi, where a and b are real numbers.

3 ⋅ √-25

• 15

• -15

• 15i

• -15i

Tags

CCSS.HSN.CN.A.1

Simplify.

(-6 - 4i) + (1 + 4i) = _______

• -5

• -5+i

• -7-8i

• 5

Tags

CCSS.HSN.CN.A.2

Simplify.

(9 +21i) + (-7 - 15i)

• 2+6i

• -2-6i

• 16+36i

• -16-36i

Tags

CCSS.HSN.CN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.2

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.1

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.1

Match the following

• 4 - 8i + -2-6i

• 2 - 14i

• 2i - 8 - (-2 + i)

• 3 -11i

• -5 - 4i + 8 - 7i

• -6 + i

• 2 - (-4+6i)+3

• - 7+ 15i

• 6i + 6i - (7-3i)

• 9 - 6i

Tags

AII.9-12.7.A

Choose the correct answer for the operation pictured.

• 7-13i

• 7-i

• 1-13i

• 1-i

Tags

CCSS.HSN.CN.A.2

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.2