Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 4 and 12?

Back

4

Front

How do we find the domain of an expression?

Back

Set the denominator equal to zero.

Front

List all the factors of 12.

Back

1, 2, 3, 4, 6, 12

Front

What does GCF stand for?

Back

Greatest Common Factor.

Front

How do you simplify a rational expression?

Back

Factor the numerator and denominator and cancel common factors.

Front

What is a rational expression?

Back

A fraction where the numerator and denominator are polynomials.

Front

What is the domain of a rational expression?

Back

All real numbers except where the denominator is zero.

Front

What is the first step in simplifying the expression (x^2 - 1)/(x + 1)?

Back

Factor the numerator to (x - 1)(x + 1).

Front

What happens to the expression (x^2 - 4)/(x - 2) when x = 2?

Back

It is undefined because the denominator becomes zero.