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  • 4.2: Solve Equations with Roots
    https://math.libretexts.org/Courses/De_Anza_College/Pre-Statistics/4%3A_Expressions_Equations_and_Inequalities/4.2%3A_Solve_Equations_with_Roots
    Square roots occur frequently in a statistics course, especially when dealing with standard deviations and sample sizes. In this section we will learn how to solve for a variable when that variable li...Square roots occur frequently in a statistics course, especially when dealing with standard deviations and sample sizes. In this section we will learn how to solve for a variable when that variable lies under the square root sign. The key thing to remember is that the square of a square root is what lies inside. In other words, squaring a square root cancels the square root.
  • 4.2: Solve Equations with Roots
    https://math.libretexts.org/Workbench/Math_C096%3A_Support_for_Statistics_Corequisite%3A_MATH_C160_(Tran)/04%3A_Expressions_Equations_and_Inequalities/4.02%3A_Solve_Equations_with_Roots
    Square roots occur frequently in a statistics course, especially when dealing with standard deviations and sample sizes. In this section we will learn how to solve for a variable when that variable li...Square roots occur frequently in a statistics course, especially when dealing with standard deviations and sample sizes. In this section we will learn how to solve for a variable when that variable lies under the square root sign. The key thing to remember is that the square of a square root is what lies inside. In other words, squaring a square root cancels the square root.

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