document.write( "Question 1063510: Write the slope-intercept form of the equation with the given characteristics.
\n" ); document.write( "1. Slope = 3/2, y - intercept is at (0,-4)
\n" ); document.write( "2. Passes through (3,-1) and (4,-6)
\n" ); document.write( "3. Parallel to the line y = -4x + 2, and passes through (1,-3)
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Write the slope-intercept form of the equation with the given characteristics.
\n" ); document.write( "1. Slope = 3/2, y - intercept is at (0,-4)\r
\n" ); document.write( "\n" ); document.write( "Use the equation y = mx + b where m is the slope and b is the y-intercept.
\n" ); document.write( "Given: m = 3/2 and b = -4
\n" ); document.write( "Hence the equation of the line is \"highlight%28y+=+%283%2F2%29x+-+4%29\"\r
\n" ); document.write( "\n" ); document.write( "2. Passes through (3,-1) and (4,-6)\r
\n" ); document.write( "\n" ); document.write( "First, compute the slope.
\n" ); document.write( "The slope is equal to \"change in y\" divided by \"change in x\"
\n" ); document.write( "slope, m = \"%28%28-6%29+-+%28-1%29%29%2F%284-3%29+=+-5\"\r
\n" ); document.write( "\n" ); document.write( "Next, we use the point-slope form \"y+-+y%5B1%5D+=+m%28x+-+x%5B1%5D%29\"
\n" ); document.write( "We choose (\"x%5B1%5D\", \"y%5B1%5D\") = (3, -1)
\n" ); document.write( "y - (-1) = -5(x - 3)
\n" ); document.write( "y + 1 = -5x + 15
\n" ); document.write( "\"highlight%28y+=+-5x+%2B+14%29\" is the equation of the line\r
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\n" ); document.write( "\n" ); document.write( "3. Parallel to the line y = -4x + 2, and passes through (1,-3)
\n" ); document.write( "Use the fact that parallel lines have equal slopes.
\n" ); document.write( "\"y+-+y%5B1%5D+=+m%28x+-+x%5B1%5D%29\"
\n" ); document.write( "y - (-3) = -4(x - 1)
\n" ); document.write( "y + 3 = -4x + 4
\n" ); document.write( "\"highlight%28y+=+-4x+%2B+1%29\"\r
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