document.write( "Question 681385: I have no idea how to help my grandson. The directions state to find the pattern in each set of numbers. Make a table, write an equation, and find the slope.\r
\n" ); document.write( "\n" ); document.write( "4, 2, 0, -2, -4\r
\n" ); document.write( "\n" ); document.write( "X Y
\n" ); document.write( "1
\n" ); document.write( "2
\n" ); document.write( "3
\n" ); document.write( "4\r
\n" ); document.write( "\n" ); document.write( "Equation:
\n" ); document.write( "Y=\r
\n" ); document.write( "\n" ); document.write( "Slope= Rise=_____
\n" ); document.write( " Run\r
\n" ); document.write( "\n" ); document.write( "
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Algebra.Com's Answer #422645 by ReadingBoosters(3246)\"\" \"About 
You can put this solution on YOUR website!
The pattern is the subtraction by 2
\n" ); document.write( "4-2 = 2 - 2 = 0 - 2 = -2 - 2 = -4
\n" ); document.write( "or as an equation
\n" ); document.write( "\"highlight_green%28y+=+x-2%29\"
\n" ); document.write( "...
\n" ); document.write( "Plug in the given x values and solve the equation for y
\n" ); document.write( "x-2 = y
\n" ); document.write( "-------- | (x,y)
\n" ); document.write( "1-2 = -1 (1, -1)
\n" ); document.write( "2-2 = 0 (2, 0)
\n" ); document.write( "3-2 = 1 (3, 1)
\n" ); document.write( "4-2 = 2 (4, 2)
\n" ); document.write( "...
\n" ); document.write( "Table with values from above
\n" ); document.write( "x | y
\n" ); document.write( "1 | -1
\n" ); document.write( "2 | 0
\n" ); document.write( "3 | 1
\n" ); document.write( "4 | 2
\n" ); document.write( "...
\n" ); document.write( "slope: take any two points and apply the slope formula:
\n" ); document.write( "Using (1,-1) and (2,0)
\n" ); document.write( "\"%28y1-y2%29%2F%28x1-x2%29+=+%28-1-0%29%2F%281-2%29+=+-1%2F-1+=+highlight_green%281%29\"
\n" ); document.write( "...
\n" ); document.write( "rise is -1, run is -1
\n" ); document.write( "..............................
\n" ); document.write( "Have more questions?
\n" ); document.write( "HomeworkHelpers@ReadingBoosters.com.
\n" ); document.write( "Delighted to help!
\n" ); document.write( "-Reading Boosters
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