document.write( "Question 1025636: Whats the coordinates of the vertices formed by the system of inequalities?\r
\n" ); document.write( "\n" ); document.write( "x + y ≤ 9
\n" ); document.write( "y ­- 2x ≥ -21
\n" ); document.write( "y ≥ -4x + 15\r
\n" ); document.write( "\n" ); document.write( "A.) (­6, ­-9), (10, ­-1), (2, 7)
\n" ); document.write( "B.) ­(-9,- ­6), (-­1, 10), (7, 2)
\n" ); document.write( "C.) (­-30, ­-21), (­-6, -9), (6, 15)
\n" ); document.write( "D.) (­-6, ­-9), (6, ­-3), (-­12, ­-21)
\n" ); document.write( "

Algebra.Com's Answer #640936 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Look at the intersection points.
\n" ); document.write( ".
\n" ); document.write( "..
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "
\n" );