Question #aedbc
1 Answer
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"#
