Expanding the walls of our classroom. This is an interactive learning ecology for students and parents in our Algebra 2 class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.
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Wednesday, November 17, 2010
Equations of Horizontal and Vertical Lines!
A horizontal line through the point (a,b) has equation y=b.
A horizontal line is also known as zero line.
A vertical line through the point (a,b) has equation x=a
A vertical line is also known as an undefined line.
Also to avoid confusing the two lines remember that: 1. An equation with only the variable x will always intersect the x-axis, so the line will be vertical 2. An equation with only the variable y will always intersect the y-axis, so the line will be horizontal! If you want to know more about vertical and horizontal lines, go to page 171 in your book!
Also to avoid confusing the two lines remember that:
ReplyDelete1. An equation with only the variable x will always intersect the x-axis, so the line will be vertical
2. An equation with only the variable y will always intersect the y-axis, so the line will be horizontal!
If you want to know more about vertical and horizontal lines, go to page 171 in your book!