OGT Math Test 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 . A line with a slope of 3/4 passes | |
| 00:21 | through the .128 right . It's equation in slope intercept | |
| 00:27 | form . Remember that slope intercept form is the same | |
| 00:32 | thing as Y equals mx plus B form . And | |
| 00:42 | to write the equation of a line in Y equals | |
| 00:45 | mx plus B form . We need to know the | |
| 00:48 | values of M and B . To find the value | |
| 00:53 | of M . Remember that M represent slope And were | |
| 00:58 | given that the slope of the line is 3/4 , | |
| 01:01 | So we know that the value of M is 3/4 | |
| 01:06 | mhm . Which means that we can substitute a 3/4 | |
| 01:11 | into our formula for em next to find the value | |
| 01:18 | of B . were given that the line passes through | |
| 01:22 | the .128 , Which means that we can use 12 | |
| 01:27 | and eight as our values for X&Y , mm . | |
| 01:32 | Mhm . So we substitute a 12 in for X | |
| 01:41 | And an eight in for why ? And we have | |
| 01:45 | eight equals 3/4 Times 12 Plus B , solving for | |
| 01:54 | B , three forth tons , 12 is nine , | |
| 01:59 | so we have A Equals nine Plus B And subtracting | |
| 02:06 | nine from both sides , negative one equals B , | |
| 02:17 | so M equals 3/4 and B equals negative one . | |
| 02:24 | And we substitute these values into our formula for M | |
| 02:29 | and B . To get Y equals 3/4 x -1 | |
| 02:43 | . So the equation of a line with a slope | |
| 02:46 | of 3/4 and passes through the .128 Is y equals | |
| 02:53 | 3/4 x -1 . |
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