Linear Algebra Units 1&2 Formulas

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Last updated 11:39 AM on 9/22/26
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12 Terms

1
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Dot Product formulas



2
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Length Formula


3
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Unit Vector Formula


4
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Cosine Formula


5
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Projection of A onto B


6
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Line Equation (Normal Form)

ax+by=c

7
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Line Equation (Vector Form)

x=P+td

8
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Plane Equation (Normal Form)

ax+by+cz=d

9
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Plane Equation (Vector Form)

x=P+su+tv

10
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Distance- Point to Line


11
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Distance- Point to Plane


12
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Angle of intersection between line and plane

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