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Grade 11 Vectors Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Math

Unit 8: Going FurtherAdvanced: Precalculus & Calculus PreviewCCSS N-VM.A.1Advanced

Vector addition, scalar multiples, magnitude and the dot product. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Vectors

Grade 11 · Math

Score___ / 12

Name

Class

Date

Learning goal: Advanced: Precalculus & Calculus Preview · CCSS N-VM.A.1

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

u = <4, 4>. Find 2u.

Answer: <8, 8>

RememberMatrices and vectors

123456=1·5 + 2·6 = 173·5 + 4·6 = 39Row × column, then add.det [a b; c d] = ad − bcx = 4y = 3|v| = 5v = ⟨4, 3⟩|v| = √(x² + y²)add: tip to tail
  1. 1

    Find the magnitude of <9, 12>.

    Answer
  2. 2

    Find the magnitude of <7, 24>.

    Answer
  3. 3

    Find the magnitude of <3, 4>.

    Answer
  4. 4

    u = <2, 5>, v = <-6, 9>. Find u - v.

    xyuv
    Answer
  5. 5

    u = <4, -8>, v = <6, -6>. Find u - v.

    xyuv
    Answer
  6. 6

    Find the dot product of <-5, 4> and <9, -2>.

    Answer
  7. 7

    u = <-7, 2>, v = <-1, -9>. Find u + v.

    xyuv
    Answer
  8. 8

    u = <4, -3>, v = <2, -2>. Find u + v.

    xyuv
    Answer
  9. 9

    Find the dot product of <5, -1> and <2, -1>.

    Answer
  10. 10

    Find the dot product of <5, 2> and <1, -3>.

    Answer
  11. 11

    u = <-7, -5>, v = <9, -3>. Find u + v.

    xyuv
    Answer
  12. 12

    u = <4, -2>, v = <-1, -6>. Find u - v.

    xyuv
    Answer

★ Challenge corner for fast finishers

You have 6 shirts, 5 pairs of pants and 1 hats. How many different outfits of one shirt, one pair of pants and one hat can you make?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/11/vectors

Answer key (click to show)
  1. 1.15
  2. 2.25
  3. 3.5
  4. 4.<8, -4>
  5. 5.<-2, -2>
  6. 6.-53
  7. 7.<-8, -7>
  8. 8.<6, -5>
  9. 9.11
  10. 10.-1
  11. 11.<2, -8>
  12. 12.<5, 4>
  13. ★30 (challenge corner)

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