how to graph vertical lines of a linear equation, x = -1

The video tutorial explains how to graph vertical and horizontal lines, focusing on equations that cannot be expressed in the slope-intercept form Y = MX + B. The instructor emphasizes using a table of values to graph such equations, specifically demonstrating with X = -1. The tutorial highlights that when X equals a constant, it forms a vertical line, and when Y equals a constant, it forms a horizontal line. The video aims to help students recognize patterns in graphing these lines.

What is the significance of the equation X = a number in graphing?

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How does using a table of values help in graphing equations?

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Describe the pattern that emerges when graphing multiple Y values against a constant X value.

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Explain the relationship between X values and the resulting graph when X equals a constant.

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What happens to the graph when Y is equal to a specific value?

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