Digital SAT Math Practice Question #2330
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Graph the left and right sides of any equation to instantly view intersection points and filter out extraneous solutions.
Invert due to negative exponent: $\left(\frac{16}{x^4}\right)^{1/2} = \frac{\sqrt{16}}{\sqrt{x^4}} = \frac{4}{x^2}$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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