Solve each equation for the specified variable. (Assume all denominators are nonzero.) d=k√h, for h
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Start with the given equation: \(d = k \sqrt{h}\).
Isolate the square root term by dividing both sides of the equation by \(k\): \(\frac{d}{k} = \sqrt{h}\).
To eliminate the square root, square both sides of the equation: \(\left( \frac{d}{k} \right)^2 = (\sqrt{h})^2\).
Simplify the right side since squaring the square root cancels out: \(\left( \frac{d}{k} \right)^2 = h\).
Rewrite the expression for \(h\) explicitly: \(h = \left( \frac{d}{k} \right)^2\).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Isolating the Variable
Isolating the variable means rewriting the equation so that the variable of interest stands alone on one side. This often involves performing inverse operations such as division, multiplication, or taking roots to both sides to solve for the specified variable.
When a variable is under a square root, solving for it requires squaring both sides of the equation to eliminate the root. This step must be done carefully to maintain equality and consider the domain restrictions.
Equations involving denominators or roots have domain restrictions to avoid division by zero or undefined expressions. It is important to assume denominators are nonzero and consider the domain of variables when solving.