The Dot Product
1 Find the Dot Product of Two $\mathbf { v } = - 8 \mathbf { i } + 3 \mathbf { j }$

question 67

Multiple Choice

The Dot Product
1 Find the Dot Product of Two Vectors
- $\mathbf { v } = - 8 \mathbf { i } + 3 \mathbf { j }$ ; Find $\mathbf { v } \cdot \mathbf { v }$

• A) 73
• B) 25
• C) \(- 48\)
• D) 576

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Definitions:

Arrector Pili Muscles

Small muscles connected to hair follicles that, when contracted, cause hair to stand on end, known as "goosebumps."

Ultraviolet Light Rays

A form of electromagnetic radiation with a wavelength shorter than that of visible light, known for its ability to induce suntans and sunburn.

Subcutaneous Tissue

A layer of tissue that lies underneath the dermis of the skin, consisting of fat and connective tissues that house larger blood vessels and nerves.

Sebaceous Glands

Glands located in the skin that secrete an oily substance called sebum, involved in lubricating skin and hair.