Simplifying Rational Expressions

What is the GCF of the expression 3x^2 + 18x + 15?

What values of x must be excluded in the expression \( \frac{2x(x-2)}{(x-2)(x+5)} \) to prevent division by zero?

Find the LCD of the rational expressions \( \frac{2x}{x+1} \) and \( \frac{1}{x^2-1} \).

What are the vertical asymptotes (VA) of the expression \( \frac{x^2+6x}{x^2+3x-18} \)?

Which value of x makes the expression \( \frac{1}{x+2} \) undefined?

Define a rational expression.

What is the process of simplifying a rational expression?

What does it mean for a rational expression to be undefined?

How do you find the GCF of two or more terms?

What is the difference between a vertical asymptote and a hole in a rational function?