Some general facts about lines, Mathematics

First, larger the number (ignoring any minus signs) the steeper the line.  Thus, we can use the slope to tell us something regarding just how steep a line is.

Next, if the slope is a +ve number then the line will be rising as we move from left to right.  Similarly, if the slope is a -ve number then the line will decrease as we move from left to right.

We can employ the final two parts to see what the slopes of horizontal & vertical lines will be. A horizontal line will always contain a slope of zero & a vertical line will always have an undefined slope.

Now we have to take a look at some special forms of the equation of the line.

We will begin with horizontal & vertical lines.  A horizontal line along a y-intercept of b will have the equation,

                                             y = b

Similarly, a vertical line along with an x-intercept of a will have the equation,

                                                          x =a

Posted Date: 4/6/2013 5:57:27 AM | Location : United States

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