Digital ACT Math Practice Question #2079
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
u · v = 3*2 + (-4)*5 = -14.
The dot product is u · v = (u_1)(v_1) + (u_2)(v_2) = (3)(2) + (-4)(5) = -14....
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