document.write( "Question 937658: which is a slope of the line containing p (-5,6) and q (3,-1) \n" ); document.write( "

Algebra.Com's Answer #571065 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
(-5,6)
\n" ); document.write( "(3,-1)
\n" ); document.write( "slope = ( change in y ) / ( change in x )
\n" ); document.write( "Let $\"+m+\"$ = slope
\n" ); document.write( " $\"+m+=+%28+6+-%28-1%29+%29+%2F+%28+-5+-+3+%29+\"$
\n" ); document.write( " $\"+m+=+%28+6+%2B+1+%29+%2F+%28-8%29+\"$
\n" ); document.write( " $\"+m+=+-7%2F8+\"$
\n" ); document.write( "-----------------
\n" ); document.write( "check:
\n" ); document.write( "The general form is:
\n" ); document.write( " $\"+y+=+m%2Ax+%2B+b+\"$
\n" ); document.write( " $\"+y+=+%28-7%2F8%29%2Ax+%2B+b+\"$
\n" ); document.write( "----------------------
\n" ); document.write( "(-5,6)
\n" ); document.write( " $\"+6+=+%28-7%2F8%29%2A%28-5%29+%2B+b+\"$
\n" ); document.write( " $\"+6+=+35%2F8+%2B+b+\"$
\n" ); document.write( " $\"+b+=+48%2F8+-+35%2F8+\"$
\n" ); document.write( " $\"+b+=+13%2F8+\"$
\n" ); document.write( "------------------
\n" ); document.write( " $\"+y+=+%28-7%2F8%29%2Ax+%2B+13%2F8+\"$
\n" ); document.write( "Here's the plot:
\n" ); document.write( " $\"+graph%28+400%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+%28-7%2F8%29%2Ax+%2B+13%2F8+%29+\"$
\n" ); document.write( "Looks about right
\n" ); document.write( " \n" ); document.write( "

\n" );