document.write( "Question 45078: x y
\n" ); document.write( "-4 -6
\n" ); document.write( "0 6
\n" ); document.write( "2 12
\n" ); document.write( "6 24\r
\n" ); document.write( "\n" ); document.write( "How can you tell if this is a linear function and Why? How do you find the equation for this data.\r
\n" ); document.write( "\n" ); document.write( "I say yes this is a linear function because there is only one input per output, but I do not know why?\r
\n" ); document.write( "\n" ); document.write( "The equation I think is y = mx + b, I do not know how to put in the numbers.
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Algebra.Com's Answer #29905 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
(-4,-6) and (0,6) are points
\n" ); document.write( "M = (y2 - y1)/(x2 - x1) = (6 + 6)/(0 + 4) = 12/4 = 3
\n" ); document.write( "y-intercept: 6
\n" ); document.write( "y = mx + b
\n" ); document.write( "y = 3x + 6
\n" ); document.write( "\"+graph%28+600%2C+600%2C+-20%2C+20%2C+-20%2C+20%2C+3x+%2B+6+%29+\"
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