Digital ACT Math Practice Question #2014
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Law of Cosines: c^2 = 3^2 + 8^2 - 2(3)(8)*cos(60°) -> c = 7.
By the Law of Cosines: c^2 = a^2 + b^2 - 2ab*cos(C) = 9 + 64 - 2(3)(8)*cos(60°). Solving gives c = 7....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
Unlock Full Solution & 2,600+ Official Drills
Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.
For what value of k does the matrix [[3, k], [2, 18]] have a determinant equal to 0?...
How many distinct 6-letter arrangements can be formed using all the letters in the word $RECORD$?...
In triangle ABC, angle A = 30 degrees, angle B = 45 degrees, and side a = 12. What is the length of side b?...
What is the horizontal asymptote of the rational function $g(x) = \frac{4x^2 - 3x + 1}{2x^2 + 5x - 7}$?...