document.write( "Question 104802: Write the equation of the line with the given slope and y-intercept. Then graph each line using the slope and y-intercept. \r
\n" ); document.write( "\n" ); document.write( "-2; y-intercept : (0,4)
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Algebra.Com's Answer #76262 by cheesey(22)\"\" \"About 
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Use the point-slope formula y-ysub1= slope(x-xsub1)\r
\n" ); document.write( "\n" ); document.write( "Given point (0, 4), use xsub1 = 0 and ysub1 = 4, \r
\n" ); document.write( "\n" ); document.write( "y-4 = -2(x-0) => y = -2x + 4. The y-intercept gives you one point on the line, the slope gives you the directions to find another point on the line (start at y=4, go down 2 and then to the right 1 to get the next point on the line). Or now that you have the equation, find the x-intercept by making y =0 and solving for x.
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