10.6 Radical Equations and Problem Solving

Question 1

POwer rule

Answer 1

if both sides of an equation are raised to the same power, all solutions of the original equation are among the solutions of the new equation

Question 2

extraneous solution

Answer 2

a proposed solutiont hat is not a solution of the origninal equation

Question 3

Pythagorean Theorem

Answer 3

If a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse , then a^2 + b^2 = c^2