document.write( "Question 661678: I am using the point slope to write an equation. The points given are P (0,0) and Q (4,4). not sure where to begin \n" ); document.write( "
Algebra.Com's Answer #411741 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "begin by finding the slope m
\n" ); document.write( "P (0,0) and
\n" ); document.write( "Q (4,4) m = -4/-4 = 1
\n" ); document.write( "using the point-slope
\n" ); document.write( " y - 0 = 1(x-0)
\n" ); document.write( " y = x \n" ); document.write( "
\n" );