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Write the equation of the line that passes through the points
(-1,-8) and
(-1,8). Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.
Answer:

Write the equation of the line that passes through the points $(-1,-8)$ and $(-1,8)$ . Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line. $\newline$ Answer:

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Write a linear equation from a slope and y-intercept

Full solution

Q. Write the equation of the line that passes through the points

(-1,-8)

and

(-1,8)

. Put your answer in fully simplified point-slope form, unless it is a vertical or horizontal line.

\newline

Answer:

Identify Line Type: Determine if the line is vertical, horizontal, or neither. Since the $x$ -coordinates of both points are the same ( $-1$ ), the line is vertical. A vertical line has an undefined slope and cannot be expressed in point-slope form.
Write Equation: Write the equation of a vertical line. $\newline$ The equation of a vertical line is of the form $x = a$ , where $a$ is the $x$ -coordinate of any point on the line. Since our line passes through the points $(-1,-8)$ and $(-1,8)$ , the equation of our line is $x = -1$ .

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