document.write( "Question 1151343: the equation of function G is y=2x+6. The table shows some of the points of function H.\r
\n" ); document.write( "\n" ); document.write( " x|y
\n" ); document.write( " 2|2
\n" ); document.write( " 4|5
\n" ); document.write( " 6|8
\n" ); document.write( "what is the difference in the y-intercepts of the two functions?
\n" ); document.write( "A. 6
\n" ); document.write( "B. 7
\n" ); document.write( "C. 8
\n" ); document.write( "

Algebra.Com's Answer #773077 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
H(x) has points
\n" ); document.write( "( 2,2 )
\n" ); document.write( "( 4,5 )
\n" ); document.write( "( 6,8 )
\n" ); document.write( "-----------
\n" ); document.write( "\"+y+=+m%2Ax+%2B+b+\"
\n" ); document.write( "(2,2)
\n" ); document.write( "\"+2+=+m%2A2+%2B+b+\"
\n" ); document.write( "\"+2m+%2B+b+=+2+\"
\n" ); document.write( "----------------------
\n" ); document.write( "(4,5)
\n" ); document.write( "\"+5+=+m%2A4+%2B+b+\"
\n" ); document.write( "\"+4m+%2B+b+=+5+\"
\n" ); document.write( "----------------------
\n" ); document.write( "Subtracting:
\n" ); document.write( "\"+4m+%2B+b+=+5+\"
\n" ); document.write( "\"+-2m+-+b+=+-2+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "\"+2m+=+3+\"
\n" ); document.write( "\"+m+=+3%2F2+\"
\n" ); document.write( "and
\n" ); document.write( "\"+2m+%2B+b+=+2+\"
\n" ); document.write( "\"+2%2A%283%2F2%29+%2B+b+=+2+\"
\n" ); document.write( "\"+b+=+-1+\"
\n" ); document.write( "------------------------
\n" ); document.write( "The equation is:
\n" ); document.write( "\"+y+=+%283%2F2%29%2Ax++-+1+\"
\n" ); document.write( "check:
\n" ); document.write( "(6,8)
\n" ); document.write( "\"+8+=+%283%2F2%29%2A6+-+1+\"
\n" ); document.write( "\"+8+=+9+-+1+\"
\n" ); document.write( "\"+8+=+8+\"
\n" ); document.write( "OK
\n" ); document.write( "--------------------
\n" ); document.write( "The y-intercepts are \"+6+\" and \"+-1+\"
\n" ); document.write( "\"+6+-%28-1%29+=+7+\"
\n" ); document.write( "Answer is B. 7
\n" ); document.write( "
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