document.write( "Question 422654: What is the slope of the line that passes through the points (2, -1) and (2,0)? \n" ); document.write( "

Algebra.Com's Answer #295001 by algebrahouse.com(1659) $\"\"$ $\"About$

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\"What is the slope of the line that passes through the points (2, -1) and (2,0)?\"\r
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\n" ); document.write( "\n" ); document.write( "(2,-1),(2,0)\r
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\n" ); document.write( "\n" ); document.write( "y2 - y1
\n" ); document.write( "-------- = slope
\n" ); document.write( "x2 - x1\r
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\n" ); document.write( "\n" ); document.write( "0 - (-1)
\n" ); document.write( "--------- {substituted into slope formula}
\n" ); document.write( "2 - 2\r
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\n" ); document.write( "\n" ); document.write( "1
\n" ); document.write( "--- {subtracted}
\n" ); document.write( "0\r
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\n" ); document.write( "\n" ); document.write( "= undefined {it is impossible to divide a number by 0}\r
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\n" ); document.write( "\n" ); document.write( "The slope is \"undefined\". Also, this would be a vertical line. Horizontal lines have slopes of 0, such as 0/3.
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