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, the equation has because a square root cannot be negative. Square Both Sides : If , square both sides to get

Below are the step-by-step solutions for these problems, which typically cover the properties of and square functions ( ) in 8th-grade curriculum. Problem 15.39: Simplification of Radical Expressions , the equation has because a square root cannot be negative

You are typically asked to compare two values involving square roots without using a calculator. : To compare athe square root of a end-root b2b squared Determine the Relationship : If Example : To compare 10the square root of 10 end-root Problem 15.41: Solving Radical Equations Solving equations in the form Check for Validity : If , the equation has because a square root cannot be negative