document.write( "Question 267973: Write an equation of the line that passes through the point and has the given slope.Write the equation in slope-intercept form. \n" ); document.write( "
Algebra.Com's Answer #196495 by Alan3354(69443)\"\" \"About 
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You didn't give any data, but here's an example: or 2\r
\n" ); document.write( "\n" ); document.write( " Given 2 points example.
\n" ); document.write( "Find the equation of the line thru the points (2,1) and (3,5)
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\n" ); document.write( "This is a 2 step process. First find the slope of the line thru the points.
\n" ); document.write( "slope, m = diffy/diffx
\n" ); document.write( "m = (5-1)/(3-2)
\n" ); document.write( "m = 4
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\n" ); document.write( "Now use y = mx + b with either point to find b, the y-intercept.
\n" ); document.write( "y = mx + b
\n" ); document.write( "5 = 4*3 + b
\n" ); document.write( "b = -7
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\n" ); document.write( "y = mx + b
\n" ); document.write( "y = 4x - 7 is the answer.
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\n" ); document.write( "For further assistance, or to check your work, email me via the thank you note.
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\n" ); document.write( "A line and a point example.
\n" ); document.write( "Write in standard form the eqation of a line that satisfies the given conditions. Perpendicular to 9x+3y=36, through (1,2)
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\n" ); document.write( "Find the slope of the line. Do that by putting the equation in slope-intercept form, y = mx + b. That means solve for y.
\n" ); document.write( "9x+3y = 36
\n" ); document.write( "3y= - 9x + 36
\n" ); document.write( "y = -3x + 13
\n" ); document.write( "The slope, m = -3
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\n" ); document.write( "The slope of lines parallel have the same slope.
\n" ); document.write( "The slope of lines perpendicular is the negative inverse, m = +1/3
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\n" ); document.write( "Use y = mx + b and the point (1,2) to find b.
\n" ); document.write( "2 = (1/3)*1 + b
\n" ); document.write( "b = 5/3
\n" ); document.write( "The equation is y = (1/3)x + 5/3 (slope-intercept form)
\n" ); document.write( "x - 3y = -5 (standard form)
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\n" ); document.write( "For further assistance, or to check your work, email me via the thank you note.
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