Washington State End of Course Exams - Math Preparation - MathHelp.com - By MathHelp.com
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| 00:0-1 | The following is a selected video from your teacher.com where | |
| 00:03 | you can browse over 450 complete math lessons with example | |
| 00:07 | videos , interactive practice problems , self tests and more | |
| 00:11 | . Try a complete lesson today at your teacher dot | |
| 00:14 | com . In this example , we're asked to write | |
| 00:19 | the equation of the given line in slope intercept form | |
| 00:26 | . Remember that slope intercept form is the same thing | |
| 00:30 | as Y equals mx plus B form . Mhm . | |
| 00:38 | Where M represents the slope of the line and B | |
| 00:45 | represents the Y intercept mm . Mhm . So our | |
| 00:54 | first step is to find the slope and why intercept | |
| 00:58 | of the given line to find the slope . Remember | |
| 01:02 | that we use the ratio rise over run between any | |
| 01:07 | two points on the line and notice that to get | |
| 01:15 | from point A to point B . Along this line | |
| 01:19 | We rise one unit And Run two units . So | |
| 01:29 | our slope or rise over . Run is 1/2 next | |
| 01:43 | to find the y intercept . Remember that the y | |
| 01:47 | intercept is the point where the line crosses the y | |
| 01:51 | axis and notice that our line crosses the Y axis | |
| 01:56 | at the 0.3 which means that the Y intercept is | |
| 02:04 | three , therefore M equals one half , And B | |
| 02:13 | equals three . And we substitute these values into our | |
| 02:18 | formula for M and B . To get y equals | |
| 02:24 | 1/2 x plus three . So the equation of the | |
| 02:37 | given line in slope intercept form is Y equals one | |
| 02:44 | half X plus three . |
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