Digital SAT Math Practice Question #10
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Break down the given equation or algebraic constraints step-by-step. Isolate the target variable before substituting known quantities.
Elimination Shortcut: Check the extremes or test answer choices starting with C to binary search the correct magnitude.
Rewrite 16 as a power of 4: 16 = 4^2. So the equation becomes 4^(2x) = (4^2)^(x + 3). Simplify the exponents on the right: 4^(2x) = 4^(2x + 6). For the bases to be equal, the exponents must be equal: 2x = 2x + 6. Subtracting 2x from both si...
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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