Digital SAT Practice Test: Quadratic Equations (Set 10)

This adaptive-style simulation simulates the real Digital SAT exam interface to help you master Quadratic Equations.

Set 10: Quadratic Equations (Advanced)

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The effectiveness of a drug $E(t)$ at time $t$ is $E(t) = -t^2 + 6t$ . When is the drug most effective?

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