Digital ACT Math Practice Question #2037
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Test choices: x = 1 gives log_2(1) + log_2(8) = 3.
Combine logarithms: log_2(x(x + 7)) = 3. Convert to exponential form: x^2 + 7x = 2^3 = 8. Solving the quadratic gives x = 1 (rejecting negative extraneous root)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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