document.write( "Question 608341: Can you please teach me how to find slopes of lines if I'm only given the x or y? For example, finding the slope when y=7 \n" ); document.write( "

Algebra.Com's Answer #383154 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The equation

describes the set of all ordered pairs where the

-coordinate is any real number and the

-coordinate is always

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\n" ); document.write( "\n" ); document.write( "So, chosing two arbitrary points from the solution set of

, use the slope formula:\r
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\n" ); document.write( "\n" ); document.write( "Choose

and

and substitute values:\r
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\r
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\n" ); document.write( "\n" ); document.write( "regardless of the values of the

-coordinates. Lines with a zero slope are horizontal.\r
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\n" ); document.write( "\n" ); document.write( "If you have an equation of the form

, then the denominator of the slope formula is zero so the slope is undefined. Lines with an undefined slope are vertical lines.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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