Digital ACT Math Practice Question #2083
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
u · v = 4*6 + (-3)*8 = 0.
The dot product is u · v = (u_1)(v_1) + (u_2)(v_2) = (4)(6) + (-3)(8) = 0....
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