parallel, perpendicular, and neither lines

4
Math team think-tac-toe By: Nathan Solomon

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Page 1: Parallel, perpendicular, and neither lines

Math team think-tac-toe

By: Nathan Solomon

Page 2: Parallel, perpendicular, and neither lines

ParallelFirst, you will need to find the slope of one line. To find the slope figure out the distance it takes line takes to reach one (as a coordinate) on the x-axis. To find this put the number of squares up on the y-axis over one (one on x-axis).

Second, you repeat the first step with the other line

Third, to see if they are parallel your slope will be the exact same.

Page 3: Parallel, perpendicular, and neither lines

PerpendicularFirst, you need to fond the slope of one line. To find the slope figure out the distance it takes line takes to reach one (as a coordinate) on the x-axis. To find this put the number of squares up on the y-axis over one (one on x-

axis).

Second, repeat step one with the other line.

Third, if the slopes are opposite of each other (one is negative and the other is not) then they are perpendicular (y-intercept does not matter because only the slope matters.

Page 4: Parallel, perpendicular, and neither lines

NeitherFirst, look at the lines if they are obviously not parallel or perpendicular then they are neither.

Second, if step one does not determine it then find the slopes and determine if the lines are not parallel or perpendicular.