ACT Math Practice Question #2084 (Hard (580)) | Test Citadel
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ACT Math Difficulty: Hard (580)

Digital ACT Math Practice Question #2084

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Given the vectors u = <6, 2> and v = <-1, 3>, what is the value of their dot product u · v?
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u · v = 6*-1 + (2)*3 = 0.

Masterclass Solution & Distractor Trap Analysis

The dot product is u · v = (u_1)(v_1) + (u_2)(v_2) = (6)(-1) + (2)(3) = 0....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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