SOLUTION: where is the asymptotes, center, and equations of asymptotes. for this equation: 4y^2 - 16y - x^2 + 2x = 10

Algebra ->  Graphs -> SOLUTION: where is the asymptotes, center, and equations of asymptotes. for this equation: 4y^2 - 16y - x^2 + 2x = 10      Log On


   



Question 631670: where is the asymptotes, center, and equations of asymptotes. for this equation:
4y^2 - 16y - x^2 + 2x = 10

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
where is the asymptotes, center, and equations of asymptotes. for this equation:
4y^2 - 16y - x^2 + 2x = 10
complete the square
4(y^2-4y+4)-(x^2-2x+1) = 10+16-1
4(y-2)-(x-1)=25
%28y-2%29%2F%2825%2F4%29-%28x-1%29%2F25=1
This is an equation of a hyperbola with vertical transverse axis
Its standard form: %28y-k%29%5E2%2Fa%5E2-%28x-h%29%5E2%2Fb%5E2=1
For given equation:
center: (1,2)
a^2=25/4
a=√(25/4)=5/2
b^2=25
b=√25=5
asymptotes are straight lines that go thru the center: equation: y=mx+b, m=slope, b=y-intercept
slopes, m, of asymptotes for hyperbolas with vertical transverse axis=±a/b=±(5/2)5=±5/10=±1/2
..
asymptote with negative slope: y=-x/2+b
solve for b using coordinates of center (1,2)
2=-1/2+b
b=5/2
equation: y=-x/2+5/2
..
asymptote with positive slope: y=x/2+b
solve for b using coordinates of center (1,2)
2=1/2+b
b= 3/2
equation: y=-x/2+3/2