Assignment_Arpit

Which property does the equation (3+2i)+(4+5i)=(4+5i)+(3+2i) demonstrate?

• Associative

• Distributive

• Commutative

• none of the above

What is the sum of (3+3i) and (-5i+4)?

• 7+8i

• 8i-7

• 12+7i

• -2i+7

Which property allows us to write [(1+2i)+(3+4i)]+(5+6i) as (1+2i)+[(3+4i)+(5+6i)]?

• Associative

• Commutative

• Distributive

• Both a and b

What is the simplified form of 2(1+i)+3(2+3i)?

• 9+8i

• 8+7i

• 8+11i

• 9+9i

What holds true for any complex numbers z_{1 and} z_2?

• z₁+z_{2 =} z₁-z₂

• z₁+z_{2 =} -z₁₊z₂

• z₂₊z_1=-z_1-z₂

• z₁+z_{2 =} z₂₊z₁

Which property is illustrated by (a+ib)+0=a+ib?

• Additive Inverse

• Additive Identity

• Commutative

• Associative

Which property is illustrated by (6+7i)+ [−(6+7i)]=0

• Commutative

• Additive Inverse

• Additive Identity

• Distributive

(23+8i)+(12-i) = 12-i + ____

• 23-8i

• 23+8i

• 23

• 8i-23

Simplify: (12 - 3i) - [(1 + 2i) + (2 -2i)].

• 9+3i

• -3i+9

• 0

• 9-3i

Which pair(s) of complex numbers don't exhibit commutative property?

• addition of 13+4i, and 55-23i

• subtraction of 23+45i, and 102+77i

• addition of 3+120i, and 120+26i

• Subtraction of -45+89i and 34-65i