12th Grade Gradient Vectors Quizzes, Questions & Answers

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X IPA Matematika Minat

This advanced mathematics quiz focuses on vector calculus, exploring concepts like orthogonal projections, vector operations, and angle measurements between vectors.

Questions: 20 | Attempts: 558 | Last updated: Mar 22, 2025

Sample Question 1
Diketahui vektor a = pi + 2j – k, b = 4i – 3j + 6k, dan c = 2i – j + 3k. Jika a tegak lurus b, maka hasil dari (a – 2b) . (3c) adalah….

171

63

-63

-111

-171

Sample Question 2
Diketahui vector a = 4i + 2j + 2k, dan b = 3i + 3j. Besar sudut antara vektor a dan b adalah…0.

30

45

60

90

120

Sample Question 3
Diketahui vector a = 5i + 6j + k dan b = i – 2j – 2k. Proyeksi orthogonal vektor a pada b adalah…

I + 2j + 2k

I + 2j – 2k

I – 2j + 2k

– i + 2j + 2k

2i + 2j – k