Digital ACT Math Practice Question #1417
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Row 1 dot Col 2: 2(1) + (-1)(5) = -3.
Row 1 of A: [2, -1]. Col 2 of B: [1, 5]. Dot product = 2(1) + (-1)(5) = 2 - 5 = -3....
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