To remember the quadratic formula, Justice writes the equation 50 times right before beginning her exam. Which technique is she using?

The correct answer is C. Massed practice.

Massed practice refers to studying a particular topic or skill intensively in a short period of time, which is what Justice is doing by writing the quadratic formula 50 times right before her exam. This method contrasts with distributed practice, where learning is spread out over time.

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