Imaginary Numbers and Radicals Warmup

Front

Simplify: 2i - 7i + 10

Back

10 - 5i

Front

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

Back

-2 + 6i

Front

Simplify: (10 + 15i) - (48 - 30i)

Back

-38 + 45i

Front

Simplify √-4

Back

2i

Front

Simplify the expression: 3√8 / √3

Back

2√6

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 imaginary unit 'i'?

Back

The imaginary unit 'i' is defined as the square root of -1.

Front

What is the sum of two complex numbers?

Back

The sum of two complex numbers is found by adding their real parts and their imaginary parts separately.

Front

What is a radical?

Back

A radical is an expression that includes a root, such as a square root or cube root.

Front

How do you simplify √(a*b)?

Back

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