1. Dots and Cross Products of Vectors in Space
LESSON 8–5
Dots and Cross Products of Vectors in Space

2. Targeted TEKS
P.4(J) Represent the addition of vectors and
the multiplication of a vector by a scalar
geometrically and symbolically.
P.4(K) Apply vector addition and
multiplication of a vector by a scalar in
mathematical and real-world problems.
Mathematical Processes
P.1(E), P.1(B)

3. You found the dot product of two vectors in the plane. (Lesson 8-3)
Find dot products of and angles between vectors in space.
Find cross products of vectors in space and use cross products to find area and volume.
Then/Now

4. Key Concept 1

8. Key Concept 3

17. Dots and Cross Products of Vectors in Space
LESSON 8–5
Dots and Cross Products of Vectors in Space