Digital ACT Math Practice Question #2081
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
u · v = -2*4 + (6)*3 = 10.
The dot product is u · v = (u_1)(v_1) + (u_2)(v_2) = (-2)(4) + (6)(3) = 10....
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