document.write( "Question 1163091: Graph the line with slope -1 passing through the point (-3,4) \n" ); document.write( "

Algebra.Com's Answer #787054 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Mark the point

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\n" ); document.write( "\n" ); document.write( "Calculate the coordinates of a second point on the line. The slope is

which is the same as

, so the change in the vertical direction is

and the change in the horizontal is

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\n" ); document.write( "\n" ); document.write( "New

-coordinate (horizontal):

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\n" ); document.write( "\n" ); document.write( "New

-coordinate (vertical):

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\n" ); document.write( "\n" ); document.write( "So a new point on the line is

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\n" ); document.write( "\n" ); document.write( "Plot the new point. Draw a straight line through the two points.\r
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\n" ); document.write( "\n" ); document.write( "Note: You could also have written the slope as

and then added a negative 1 to the

-coordinate and added 1 to the

-coordinate. In fact, you could have chosen any number you like, say

and added its negative to the

-coordinate and its positive to the

-coordinate (or vice versa), and achieved the same results.
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\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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