Digital ACT Math Practice Question #1997
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Row-by-column: 3(2) + 1(5) = 11. Matches only choice [[11], [-1]].
Matrix multiplication row by column: Row 1 = (3)(2) + (1)(5) = 11. Row 2 = (2)(2) + (-1)(5) = -1. Result is [[11], [-1]]....
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