document.write( "Question 391294: what is the slope of (-2,-8), (1,4) \n" ); document.write( "

Algebra.Com's Answer #277569 by haileytucki(390) $\"\"$ $\"About$

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(-2,-8),(1,4)\r
\n" ); document.write( "\n" ); document.write( "Slope is equal to the change in y over the change in x, or 'rise over run'.
\n" ); document.write( "m=(change in y)/(change in x)\r
\n" ); document.write( "\n" ); document.write( "The change in x is equal to the difference in x-coordinates (also called run), and the change in y is equal to the difference in y-coordinates (also called rise).
\n" ); document.write( "m=(y2-y1)/(x2-x1)\r
\n" ); document.write( "\n" ); document.write( "Substitute in the values of x and y into the equation to find the slope.
\n" ); document.write( "m=(4-(-8))/(1-(-2))\r
\n" ); document.write( "\n" ); document.write( "Multiply -1 by each term inside the parentheses.
\n" ); document.write( "m=(4-(-8))/(1+2)\r
\n" ); document.write( "\n" ); document.write( "Add 2 to 1 to get 3.
\n" ); document.write( "m=(4-(-8))/(3)\r
\n" ); document.write( "\n" ); document.write( "Multiply -1 by each term inside the parentheses.
\n" ); document.write( "m=(4+8)/(3)\r
\n" ); document.write( "\n" ); document.write( "Add 8 to 4 to get 12.
\n" ); document.write( "m=(12)/(3)\r
\n" ); document.write( "\n" ); document.write( "Reduce the expression (12)/(3) by removing a factor of 3 from the numerator and denominator.
\n" ); document.write( "m=4 \n" ); document.write( "

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