document.write( "Question 654664: I need to remember the y=mx+b formula and how to solve and graph it. I appreciate the help. \n" ); document.write( "

Algebra.Com's Answer #408831 by MathLover1(20850) $\"\"$ $\"About$

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the $\"y=mx%2Bb\"$ formula is the $\"slope-intercept\"$ form of $\"ax%2B+by=c\"$ \r
\n" ); document.write( "\n" ); document.write( "Graphing a line in slope-intercept form is easy\r
\n" ); document.write( "\n" ); document.write( "The steps include:
\n" ); document.write( "determining the $\"slope\"$ and the $\"y-intercept\"$ ,
\n" ); document.write( "plotting the $\"y-intercept\"$ on the graph, and finally
\n" ); document.write( "applying the $\"slope\"$ to connect the points.\r
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\n" ); document.write( "\n" ); document.write( "In the $\"y=mx%2Bb\"$ formula $\"m\"$ equals the slope, and $\"b\"$ equals the $\"y-intercept\"$ which is the $\"y-coordinate\"$ of the location where line crosses the $\"y+axis\"$ . This can be seen by letting $\"x+=+0\"$ , which immediately gives $\"y+=+b\"$ .\r
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\n" ); document.write( "\n" ); document.write( "to plot the $\"y-intercept\"$ , find the point with the coordinates $\"0%2Cb\"$ \r
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\n" ); document.write( "\n" ); document.write( "Plot a second point based on the given $\"slope\"$ value. For example, if \" $\"m\"$ \" is equal to $\"2\"$ , increase the $\"y\"$ value by $\"2\"$ every time you increase the $\"x\"$ value by $\"1\"$ . If your original point is ( $\"0\"$ , $\"b\"$ ), then your second plotted point is ( $\"1\"$ , $\"2b\"$ ) given a $\"slope\"$ of $\"2\"$ .\r
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