D29/D30 Add, Subtract, Multiply, and Divide Complex Numbers

Simplify:

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Simplify:

(10+ 15i) - (48 - 30i)

• 58 - 45i

• 58 - 15i

• -38 - 15i

• -38 + 45i

Tags

CCSS.HSA.APR.A.1

Simplify:

(8 -3i)²

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i

Tags

CCSS.7.EE.A.1

Simplify:

8i(2 + 3i) + 6i(2 + i)

• -30 - 4i

• 30 - 28i

• -30 + 28i

• 16 + 48i

Tags

CCSS.HSA.APR.A.1

Simplify:

(3 - 2i) + i + 6

• 7 - i

• 9 + 3i

• -3 - i

• 9 - i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

Simplify:

(6 + 4i) - (2 - 6i) - 7

• 16 + 6i

• -3 + 10i

• -1 + 4i

• -3 + 2i

Tags

CCSS.HSA.APR.A.1

(8 + 2i) + (1 - 6i) - (-8 - 8i)

• 17 + 4i

• 23 - 4i

• 1 + 16i

• 1 + 4i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.CN.B.5

Refer to the above image, what is the conjugate of the denominator?

• -1 + 5i

• 1 - 5i

• 1 + 5i

• -1 - 5i

Tags

CCSS.HSA.APR.D.6

Refer to the above image, what is the conjugate of the denominator?

• 8 + 6i

• 6 + 8i

• 6 - 8i

• -6 +8i

Tags

CCSS.HSA.APR.A.1

Simplify  $\frac{3+2i}{4i}$  

•  $\frac{1}{2}-\frac{3i}{4}$  

•  $\frac{1}{2}+\frac{3i}{4}$  

•  $2+\frac{3i}{4}$  

•  $2-\frac{3i}{4}$  

Tags

CCSS.HSA.APR.A.1