Int 2 Ch 5 and 6

Front

Simplify: (4 + 7i) - (3 + 2i)

Back

1 + 5i

Front

Find the product: (x-7)²

Back

x² - 14x + 49

Front

Complete the square for x² + 12x + ____

Back

x² + 12x + 36

Front

Simplify √-4

Back

2i

Front

Simplify √-81

Back

9i

Front

Definition: Complex Number

Back

A number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit.

Front

Definition: Imaginary Unit (i)

Back

i is defined as √-1.

Front

Definition: Completing the Square

Back

A method used to solve quadratic equations by transforming them into a perfect square trinomial.

Front

Definition: Quadratic Equation

Back

An equation of the form ax² + bx + c = 0, where a, b, and c are constants.

Front

Definition: Perfect Square Trinomial

Back

A trinomial that can be factored into the square of a binomial.