Solve You Will Have to Square Both Sides of the Equation

question 131

Multiple Choice

Solve. You will have to square both sides of the equation twice to eliminate all radicals.
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• A) 0
• B) 2, -2
• C) -2
• D) no real solution

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Definitions:

Working Backward

A problem-solving strategy that starts with the solution and works backward through the problem to figure out how to arrive at the solution.

Backtracking

A problem-solving technique that involves progressively checking and abandoning partial solutions until the right solution is found.

Means-end

A problem-solving strategy that involves breaking down the problem into smaller parts to address the difference between the current state and the desired goal.

Mental Set

is a cognitive bias that involves approaching a problem in a specific way, often influenced by past experiences, even when a different approach might be more effective.