Question Video: Identifying Points on a Graph that Belong to the Line of the Equation 𝑥 = 𝑎 | Nagwa Question Video: Identifying Points on a Graph that Belong to the Line of the Equation 𝑥 = 𝑎 | Nagwa

Question Video: Identifying Points on a Graph that Belong to the Line of the Equation 𝑥 = 𝑎

Which points in the graph represent a solution to the equation 𝑥 = 3?

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Video Transcript

Which points in the graph represent a solution to the equation 𝑥 equals three?

The 𝑥-axis is the horizontal one and, in this case, goes from negative four to 10. The line that corresponds to the equation 𝑥 equals three will be a vertical line through three on the 𝑥-axis. We can go one step further here and say that any equation of the form 𝑥 equals 𝑎, where 𝑎 is a constant, will be a vertical line through the constant 𝑎.

In this question, the line with the equation 𝑥 equals three passes through the points 𝐺, 𝐼, and 𝐾.

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