Midterm Review Unit 4 Algebra 2

Front

What is the conjugate of the complex number 2 + 3i?

Back

2 - 3i

Front

What mathematical process is used to rewrite an expression as a product of its factors?

Back

Factoring

Front

What is the best method to solve the quadratic equation x^2 + 8x - 13 = 0?

Back

Quadratic Formula

Front

What does i^2 equal?

Back

-1

Front

What is the best method to solve the quadratic equation 3x^2 - 21 = 3?

Back

Square Roots

Front

Define a complex number.

Back

A complex number is 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

What is the imaginary unit i?

Back

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

Front

What is the Quadratic Formula?

Back

Front

What is the process of completing the square?

Back

Completing the square is a method used to solve quadratic equations by rewriting the equation in the form (x - p)^2 = q.

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.