Complex Numbers

Front

Which of the following is a correct representation of a Complex Number? Options: a + bi, ab, a - b, a x b

Back

a + bi

Tags

CCSS.HSN.CN.A.1

Front

Back

6 + 8i

Tags

CCSS.HSN.CN.A.2

Front

(1 + 2i)(3 - 4i)

Back

11 - 2i

Tags

CCSS.HSN.CN.A.2

Front

Back

- 1

Tags

CCSS.HSN.CN.A.1

Front

Subtract 3 + 4i from 7 + 2i.

Back

4 - 2i

Tags

CCSS.HSN.CN.A.2

Front

6 + 2i divided by 3 + i

Back

2 + i

Tags

CCSS.HSN.CN.A.3

Front

Expression representing the conjugate of 5 + 6i?

Back

5 - 6i

Tags

CCSS.HSN.CN.A.3

Front

Back

25

Tags

CCSS.HSN.CN.A.3

Front

If you add two complex numbers and their sum is purely real, what can you conclude about their imaginary parts?

Back

They are equal and opposite.

Front

Create two complex numbers such that their product is a purely real number. Options: 2 + i and -2 + i, 3 + 4i and -3 + 4i, 2 + 3i and 2 - 3i, 1 + 2i and 1 + 2i.

Back

2 + 3i and 2 - 3i

Tags

CCSS.HSN.CN.A.1