Question #aedbc

1 Answer
Jim G.
Mar 31, 2017

slope is undefined.

Explanation:

#color(orange)"Reminder"#

#color(red)(bar(ul(|color(white)(2/2)color(black)("parallel lines have equal slopes")color(white)(2/2)|)))#

The line with equation x = 1 is parallel to the y-axis and passes through all points with an x-coordinate of 1

The slope of this line is #color(blue)"undefined"# hence the slope of the line through (4 ,-2) is #color(blue)"undefined"#

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