Operations with Complex Numbers ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
assessment exam with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
Which property allows you to write the expression
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(3 + 7i) + (8 − 6i) as (8 − 6i) + (3 + 7i)? - correct answers
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✔✔commutative
Which property allows you to write the expression
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[(3 + 7i) + (8 − 6i)] + (1+ 9i) as (3 + 7i) + [(8 − 6i) + (1 + 9i)]? -
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correct answers ✔✔associative ||\\||\\ ||\\||\\
The __________________ property allows 3i + 2i to be
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written as (3 + 2)i. - correct answers ✔✔distributive ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The sum of 3i + 2i is equal to __i. - correct answers ✔✔5
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In general, ai + bi = - correct answers ✔✔(a+b)i
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, Add (3 - 5i) + (-2 + 8i). - correct answers ✔✔Sum of real
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parts: 1 ||\\||\\
Sum of imaginary parts:3 ||\\||\\ ||\\||\\ ||\\||\\
The sum of (3 - 5i) + (-2 + 8i) is - correct answers ✔✔1+3i
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Subtract (5 − 2i) − (1 + 8i). ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Which property allows you to write the expression as 5 − ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
2i − 1 − 8i? - correct answers ✔✔distributive
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What is the real part of the difference? 4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the imaginary part of the difference? -10
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The difference is 4 - 10i
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What is the additive inverse of -2 + 8i? - correct answers
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✔✔2 - 8i ||\\||\\ ||\\||\\
assessment exam with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
Which property allows you to write the expression
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(3 + 7i) + (8 − 6i) as (8 − 6i) + (3 + 7i)? - correct answers
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✔✔commutative
Which property allows you to write the expression
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[(3 + 7i) + (8 − 6i)] + (1+ 9i) as (3 + 7i) + [(8 − 6i) + (1 + 9i)]? -
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correct answers ✔✔associative ||\\||\\ ||\\||\\
The __________________ property allows 3i + 2i to be
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written as (3 + 2)i. - correct answers ✔✔distributive ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The sum of 3i + 2i is equal to __i. - correct answers ✔✔5
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In general, ai + bi = - correct answers ✔✔(a+b)i
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, Add (3 - 5i) + (-2 + 8i). - correct answers ✔✔Sum of real
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parts: 1 ||\\||\\
Sum of imaginary parts:3 ||\\||\\ ||\\||\\ ||\\||\\
The sum of (3 - 5i) + (-2 + 8i) is - correct answers ✔✔1+3i
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Subtract (5 − 2i) − (1 + 8i). ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Which property allows you to write the expression as 5 − ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
2i − 1 − 8i? - correct answers ✔✔distributive
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What is the real part of the difference? 4 ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
What is the imaginary part of the difference? -10
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The difference is 4 - 10i
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What is the additive inverse of -2 + 8i? - correct answers
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✔✔2 - 8i ||\\||\\ ||\\||\\
