document.write( "Question 659534: Hi!
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document.write( "For homework, I have to solve the equation a(x-h)²+k=0 or a(x-h)^2+k=0 , getting an expression for \"x\" in terms of the other variables in that equation. \r
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document.write( "In case this equation looks a little weird, it's the vertex form of a parabola.\r
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document.write( "I was really stuck on this..but thanks in advance for helping!\r
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document.write( "*also, please show your work! \n" );
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Algebra.Com's Answer #411336 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! solve for x \n" ); document.write( "a(x-h)²+k=0 or a(x-h)^2+k=0 \n" ); document.write( "This equation is that of a parabola that opens up or down. \n" ); document.write( "Its standard form: y=a(x-h)^2+k, (h,k)=(x,y) coordinates of the vertex, a=multiplier that affects slope or narrowness of the curve. \n" ); document.write( ".. \n" ); document.write( "a(x-h)^2+k=0 \n" ); document.write( "a(x-h)^2=-k \n" ); document.write( "(x-h)^2=-k/a \n" ); document.write( "take sqrt of both sides \n" ); document.write( "x-h=±√(-k/a) \n" ); document.write( "x=h±√(-k/a) \n" ); document.write( " |