Chapter 3 Algebra 2 Radicals and Complex Numbers

Front

Rewrite x^1/2 as a radical.

Back

√x

Front

What is the result of (1-3i)(2+5i)?

Back

17-i

Front

Rewrite ∛x^4 as a radical.

Back

x^(4/3)

Front

Calculate 10√64 + 4√25 - 5√100 - 9√81.

Back

-31

Front

Simplify √54.

Back

3√6

Front

What is the definition of a radical?

Back

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

Front

What is the principal square root of a number?

Back

The principal square root of a number is the non-negative root of that number.

Front

How do you simplify √(a*b)?

Back

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

Front

What is the formula for multiplying two complex numbers (a + bi)(c + di)?

Back

(ac - bd) + (ad + bc)i.

Front

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

Back

The conjugate is a - bi.