Complex Practice Flashcard

Front

Write in standard form: (5 + 3i)(5 - 3i)

Back

34

Front

Find the sum: (5-2i) + (-7+8i)

Back

-2+6i

Front

Calculate: (-7 + 9i) + (2 - 10i)

Back

-5 - i

Front

What is the product of (2i)(3i)?

Back

-6

Front

Back

Front

Define complex numbers.

Back

Numbers that have a real part and an imaginary part, expressed as a + bi.

Front

What is the standard form of a complex number?

Back

a + bi, where a is the real part and b is the imaginary part.

Front

What is the imaginary unit i?

Back

i is defined as the square root of -1.

Front

How do you add complex numbers?

Back

Add the real parts and the imaginary parts separately.

Front

What is the conjugate of a complex number a + bi?

Back

The conjugate is a - bi.