document.write( "Question 259879: If f(x)=2x2+3a+5, and f(1)=-2, then a = ? \n" ); document.write( "
Algebra.Com's Answer #191547 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
If f(x)=2x^2+3a+5, and f(1)=-2, then a = ?
\n" ); document.write( "f(1)=-2
\n" ); document.write( "-2=2*-1^2+3a+5
\n" ); document.write( "-2=2*1+3a+5
\n" ); document.write( "3a=-2-2-5
\n" ); document.write( "3a=-9
\n" ); document.write( "a=-9/3
\n" ); document.write( "a=-3 ans.
\n" ); document.write( "
\n" );