Imaginary Numbers Review

Front

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

Back

-5 - 6i

Front

Simplify √-9.

Back

3i

Front

Simplify √-36 + √-100.

Back

16i

Front

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

Back

3 + 10i

Front

Simplify 4i(7 + 2i).

Back

-8 + 28i

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.

Front

What is the value of i^2?

Back

-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.

Front

How do you add complex numbers?

Back

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

Front

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

Back

i * i = i^2 = -1.