1. Precalculus
8-3 Vectors in Three-Dimensional Space
• A 3-D coordinate grid has _________________ axes:
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• A point in 3-D is represented by an ____________________________________.
Find and plot the point (-4, 3, 2)
Graph the vector 5, −2,14
Representing a vector as an ordered triple:
Initial: P1(x1, y1, z1)
Terminal: P2(x2, y2, z2)
r ρ r r
Find an ordered triple that represents 3 p − 2 θ if p = 3, 0, 4 and q = 2,1,−1 .
Unit Vectors: ____________________________________________________________
Write AB as the sum of unit vectors for A(5, 10, -3) and B(-1, 4, -2).
HW p. 503 (16 – 34 even)