document.write( "Question 1012221: The vectors (-4, 10) and (k, 14) are perpendicular. Find the value of k. \n" ); document.write( "
Algebra.Com's Answer #628101 by josgarithmetic(39799)\"\" \"About 
You can put this solution on YOUR website!
\"%2810%2F%28-4%29%29%2814%2Fk%29=-1\" \n" ); document.write( "
\n" );