Simplify Radicals and Imaginary Numbers Review

Front

What is the product of (4 – 3i)(-7 – 2i)?

Back

-34 + 13i

Front

What is i^129 equal to?

Back

i

Front

Simplify √40.

Back

2√10

Front

Simplify √-45.

Back

3i√5

Front

What is 4√14 ÷ 8√2?

Back

√7 ÷ 2

Front

Define a radical expression.

Back

An expression that includes a root, such as a square root or cube root.

Front

What is the imaginary unit 'i'?

Back

i is defined as the square root of -1.

Front

How do you simplify √(a*b)?

Back

√(a*b) = √a * √b, if a and b are non-negative.

Front

What is the result of i^2?

Back

-1

Front

How do you multiply two complex numbers?

Back

Use the distributive property (FOIL) and combine like terms.