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ZingPath: Vectors and Line Equations

Vector Equations of Lines and Their Graphs

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Algebra-2

You will represent lines with vector line equations and graph lines using vector line equations.

After completing this tutorial, you will be able to complete the following:

Know the form of a vector line equation.
Identify the initial and directional vectors in a given vector line equation.
Explain why vector line equations describe lines.
Write a vector line equation by using a point on the line and directional vector for the line.
Graph lines by using vector line equations.

Approximate Time	20 Minutes
Pre-requisite Concepts	Students should be able to define a vector on the coordinate plane, multiply a vector by a real number, calculate the sum of two vectors, subtract two vectors, find the vector represented by a directed line segment, understand the definition and properties of linear functions in two variables, and know function notation.
Course	Algebra-2
Type of Tutorial	Concept Development
Key Vocabulary	directional vector, graph of the vector equation, vector equation