document.write( "Question 333574: What direction does the parabola y = 2(x - 1)2 - 5 open?
\n" );
document.write( "upward, downward, right or left? \n" );
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Algebra.Com's Answer #239015 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "I'm assuming the 2 after the parenthesis is to the second power or written as: \n" ); document.write( "y = 2(x - 1)^2 - 5 \n" ); document.write( "This can be rewritten as: \n" ); document.write( "y=2x^2-4x-3 \n" ); document.write( "It opens upward. \n" ); document.write( "(Hint: If the x^2 is positive then \"up\", if it's negative then it opens down. \n" ); document.write( "Does this make sense to you? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |