document.write( "Question 668117: the question says, \"identify each curve. find the characteristics listed.\"\r
\n" ); document.write( "\n" ); document.write( "y^2/16 - x^2/9 =1. center asymptote foci\r
\n" ); document.write( "\n" ); document.write( "x^2/64 + y^2/16 = 1. center vertices foci\r
\n" ); document.write( "\n" ); document.write( "someone help please, this is very confusing
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Algebra.Com's Answer #415455 by lwsshak3(11628)\"\" \"About 
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the question says, \"identify each curve. find the characteristics listed.\"
\n" ); document.write( "y^2/16 - x^2/9 =1. center asymptote foci
\n" ); document.write( "x^2/64 + y^2/16 = 1. center vertices foci
\n" ); document.write( "**
\n" ); document.write( "find: center, asymptote, foci
\n" ); document.write( "y^2/16-x^2/9 =1
\n" ); document.write( "This is an equation of a hyperbola with vertical transverse axis.
\n" ); document.write( "Its standard form:\"%28y-k%29%5E2%2Fa%5E2-%28x-h%29%5E2%2Fb%5E2=1\", (h,k)=(x,y) coordinates of center
\n" ); document.write( "For given equation: y^2/16-x^2/9 =1
\n" ); document.write( "center: (0,0)
\n" ); document.write( "a^2=16
\n" ); document.write( "a=√16=4
\n" ); document.write( "b^2=9
\n" ); document.write( "b=√9=3
\n" ); document.write( "Foci:
\n" ); document.write( "c^2=a^2+b^2=16+9=25
\n" ); document.write( "c=√25=5
\n" ); document.write( "Foci=(0,5) and (0,-5)
\n" ); document.write( "asymptotes are straight lines that go thru the center and are of the form: y=mx+b, m=slope, b=y-intercept
\n" ); document.write( "slopes of asymptotes for hyperbolas with vertical transverse axis=±a/b=±4/3
\n" ); document.write( "Equations of asymptotes:
\n" ); document.write( "y=-4x/3
\n" ); document.write( "and
\n" ); document.write( "y=4x/3
\n" ); document.write( "...
\n" ); document.write( "find: center, vertices, foci
\n" ); document.write( "x^2/64 + y^2/16 = 1
\n" ); document.write( "This is an equation of an ellipse with horizontal major axis axis.
\n" ); document.write( "Its standard form:\"%28x-h%29%5E2%2Fa%5E2%2B%28y-k%29%5E2%2Fb%5E2=1\", (h,k)=(x,y) coordinates of center
\n" ); document.write( "For given equation: x^2/64+y^2/16=1
\n" ); document.write( "center: (0,0)
\n" ); document.write( "a^2=64
\n" ); document.write( "a=√64=8
\n" ); document.write( "vertices: (0,8) and (0,-8)
\n" ); document.write( "b^2=16
\n" ); document.write( "b=√16=4
\n" ); document.write( "Foci:
\n" ); document.write( "c^2=a^2-b^2=64-16=48
\n" ); document.write( "c=√48
\n" ); document.write( "Foci=(0,√48) and (0,-√48)\r
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