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)![]() ![]() ![]() 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( " |