Lesson 4.1: Solving Quadratic Equations by Factoring

Question 1

Zero Product Property

Answer 1

when the product of two numbers is 0, one of the numbers must be zero, a=0 or b=0

Question 2

Rational Equations

Answer 2

an equation that has an expression with a fraction that includes a polynomial in the numerator and/or denominator

Question 3

Extraneous Solution

Answer 3

solutions that emerge or “show up” in the process of solving an equation that are not actually solutions to the original equation.