document.write( "Question 619455: I have the equation :
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document.write( "(y+5)^2/6^2-(x-2)^2/5^2=1\r
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document.write( "i need to identify the vertices and foci of the hyperbola. I'm not sure how to do that with my numerators. And I also need to graph this. \n" );
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Algebra.Com's Answer #389726 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! (y+5)^2/6^2-(x-2)^2/5^2=1 \n" ); document.write( "i need to identify the vertices and foci of the hyperbola. I'm not sure how to do that with my numerators. And I also need to graph this \n" ); document.write( "** \n" ); document.write( "Given equation is that of a hyperbola with vertical transverse axis. \n" ); document.write( "Its standard form: (y-k)^2/a^2-(x-h)^2/b^2=1, (h,k)=(x,y) coordinates of the center \n" ); document.write( "For given equation: \n" ); document.write( "center: (2,-5) \n" ); document.write( "a=6 \n" ); document.write( "a^2=36 \n" ); document.write( "Vertices: (2,-5±a)=(2,-5±6)=(2,-11) and (2,1) \n" ); document.write( "b=5 \n" ); document.write( "b^2=25 \n" ); document.write( "c^2=a^2+b^2=36+25=61 \n" ); document.write( "c=√61≈7.8 \n" ); document.write( "Foci: (2,-5±c)=(2,-5±7.8)=(2,-12.8) and (2,2.8) \n" ); document.write( ".. \n" ); document.write( "Slopes of asymptotes for hyperbolas with vertical transverse axis=a/b=6/5 \n" ); document.write( "Asymptotes are straight lines that intersect at the center: Equation: y=mx+b, m=slope, b=y-intercept \n" ); document.write( "Equation for asymptote with slope<0: y=-6x/5+b \n" ); document.write( "solve for b using coordinates of center (2,-5) \n" ); document.write( "-5=-6*2/5+b \n" ); document.write( "-5=-12/5+b \n" ); document.write( "b=-5+12/5=-25/5+12/5=-13/5 \n" ); document.write( "Equation: y=-6x/5-13/5 \n" ); document.write( ".. \n" ); document.write( "Equation for asymptote with slope>0: y=6x/5+b \n" ); document.write( "solve for b using coordinates of center (2,-5) \n" ); document.write( "-5=6*2/5+b \n" ); document.write( "-5=12/5+b \n" ); document.write( "b=-5-12/5=-25/5-12/5=-37/5 \n" ); document.write( "Equation: y=6x/5-37/5 \n" ); document.write( ".. \n" ); document.write( "see graph below: \n" ); document.write( "y=±(36+36(x-2)^2/25)^.5-5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |