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Question 198023: Please help me I need your help with this problem.
The following two points define a line: (3, 7) and (x, 9). Explain which value of x will give you a vertical line and write the equation of that vertical line.
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! The following two points define a line: (3, 7) and (x, 9). Explain which value of x will give you a vertical line and write the equation of that vertical line.
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"Vertical" lines are parallel to the y-axis. The value of x is the distance from the y-axis, so for all values of y, x is constant.
x = 3
x = 3 is the equation of the line thru those 2 points.
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