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Vector dot product

Multiply two vectors to get a number.

M7 · Expert
Name: ______________________________ Class: ____________ Date: ____________

Loxivia · Oct 16, 2026 · 8 questions

Warm-up

  1. Vectors dot — practice 1 — Answer the quick questions.
  2. Vectors dot — practice 2 — Answer the quick questions.
  3. Vectors dot — practice 3 — Answer the quick questions.
  4. Vectors dot — practice 4 — Answer the quick questions.

Practice

  1. 1. 1/4 is bigger than 1/2. (Vector dot product)

    a) True b) False

  2. 2. u(2, 2) · v(4, 1) = ? (Vector dot product)

    a) 12 b) 9 c) 10 d) 6

  3. 3. u(3, 5) · v(1, 2) = ? (Vector dot product)

    a) 13 b) 16 c) -7 d) 11

  4. 4. What is 7 × 15? (Vector dot product)

    = ______________________

  5. 5. u(5, 5) · v(3, 4) = ? (Vector dot product)

    a) 17 b) 35 c) -5 d) 40

  6. 6. What is 12 × 7? (Vector dot product)

    = ______________________

  7. 7. u(3, 2) · v(1, 3) = ? (Vector dot product)

    a) -3 b) 9 c) 12

  8. 8. u(5, 4) · v(4, 3) = ? (Vector dot product)

    a) 16 b) 32 c) 37 d) 8

Answer key

1. False 2. 10 3. 13 4. 105 5. 35 6. 84 7. 9 8. 32

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