Imaginary Numbers Review

Front

What is the complex conjugate of -5 + 6i?

Back

-5 - 6i

Tags

CCSS.HSN.CN.A.3

Front

Simplify √-9.

Back

3i

Front

Simplify √-36 + √-100.

Back

16i

Tags

CCSS.HSN.CN.A.2

Front

Simplify (5i + 6) + (-3 + 5i).

Back

3 + 10i

Tags

CCSS.HSN.CN.A.2

Front

Simplify 4i(7 + 2i).

Back

-8 + 28i

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CCSS.HSN.CN.C.8

Front

Define imaginary numbers.

Back

Imaginary numbers are numbers that can be written as a real number multiplied by the imaginary unit 'i', where i is defined as √-1.

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CCSS.HSN.CN.A.1

Front

What is the value of i^2?

Back

-1

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CCSS.HSN.CN.A.1

Front

What is the standard form of a complex number?

Back

A complex number is expressed in the form a + bi, where a and b are real numbers.

Tags

CCSS.HSN.CN.A.1

Front

How do you add complex numbers?

Back

To add complex numbers, combine the real parts and the imaginary parts separately.

Tags

CCSS.7.NS.A.1C

Front

What is the product of two imaginary numbers, i and i?

Back

i * i = i^2 = -1.

Tags

CCSS.HSN.CN.A.2