document.write( "Question 659534: Hi!
\n" ); 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
\n" ); document.write( "\n" ); document.write( "In case this equation looks a little weird, it's the vertex form of a parabola.\r
\n" ); document.write( "\n" ); document.write( "I was really stuck on this..but thanks in advance for helping!\r
\n" ); document.write( "\n" ); document.write( "*also, please show your work!
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Algebra.Com's Answer #411336 by lwsshak3(11628)\"\" \"About 
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)
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