document.write( "Question 217758: Write an equation for the line described as slope=-3/5 and passes through (7,6). Write in slope intercept form. \n" ); document.write( "
Algebra.Com's Answer #164120 by drj(1380)\"\" \"About 
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Write an equation for the line described as slope=-3/5 and passes through (7,6). Write in slope intercept form.\r
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\n" ); document.write( "\n" ); document.write( "Step 1. The slope-intercept form is given as y=mx+b where m is the slope and b is the y-intercept b at x=0 or point (0,b). Here, the slope m=-3/5.\r
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\n" ); document.write( "\n" ); document.write( "Step 2. The slope m is given as\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28y2-y1%29%2F%28x2-x1%29\"\r
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\n" ); document.write( "\n" ); document.write( "Step 3. Let (x1,y1)=(6,7) or x1=7 and y1=6. Let other point be (x2,y2)=(x,y) or x2=x and y2=y.\r
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\n" ); document.write( "\n" ); document.write( "Step 4. Now we're given \"m=-3%2F5\". Substituting above values and variables in the slope equation m yields the following steps:\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28y2-y1%29%2F%28x2-x1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-3%2F5=%28y-6%29%2F%28x-7%29\"\r
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\n" ); document.write( "\n" ); document.write( "Step 5. Multiply (x-7) to both sides to get rid of denominators on both sides of equation.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-7%29%2A%28-3%2F5%29=%28x-7%29%28y-6%29%2F%28x-7%29\" \r
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\n" ); document.write( "\n" ); document.write( "\"-3x%2F5%2B21%2F5=y-6\" \r
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\n" ); document.write( "\n" ); document.write( "Step 6. Now add +6 to both sides of equation to solve for y.\r
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\n" ); document.write( "\n" ); document.write( "\"-3x%2F5%2B21%2F5%2B6=y-6%2B6\" \r
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\n" ); document.write( "\n" ); document.write( "\"-3x%2F5%2B51%2F5=y\"\r
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\n" ); document.write( "\n" ); document.write( "Step 7. ANSWER: The equation is \"-3x%2F5%2B51%2F5=y\"\r
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\n" ); document.write( "\n" ); document.write( "Here's a graph below and note the slope and y-intercept at x=0 or point (0, 51/5) and the x-intercept at y=0 or at point (17, 0)and note it is consistent with the equation when substituting these \r
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\n" ); document.write( "\n" ); document.write( "\"graph%28500%2C500%2C+-10%2C20%2C-5%2C15%2C+-3x%2F5%2B51%2F5%29\"\r
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\n" ); document.write( "\n" ); document.write( "Note: the above equation can be rewritten in standard form as \r
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\n" ); document.write( "\n" ); document.write( "\"3x%2B5y=51\"\r
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\n" ); document.write( "\n" ); document.write( "I hope the above steps were helpful.\r
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\n" ); document.write( "\n" ); document.write( "For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r
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\n" ); document.write( "\n" ); document.write( "Good luck in your studies!\r
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\n" ); document.write( "\n" ); document.write( "Respectfully,
\n" ); document.write( "Dr J\r
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