SOLUTION: Tell whether each equation is a circle, parabola, ellipse or hyperbola a) (x^2/9) - (y^2/16) = 1 . b) (x^2/81) + (y^2/64) = 1 . c) x^2 + y^2 = 25 . d) y = x^2-2x-8 .

Algebra ->  College  -> Linear Algebra -> SOLUTION: Tell whether each equation is a circle, parabola, ellipse or hyperbola a) (x^2/9) - (y^2/16) = 1 . b) (x^2/81) + (y^2/64) = 1 . c) x^2 + y^2 = 25 . d) y = x^2-2x-8 .       Log On


   

Question 4528: Tell whether each equation is a circle, parabola, ellipse or hyperbola
a) (x^2/9) - (y^2/16) = 1
.
b) (x^2/81) + (y^2/64) = 1
.
c) x^2 + y^2 = 25
.
d) y = x^2-2x-8
.
e) (y^2/4) - (x^2/9) = 1


Answer by pushpaharan(47) About Me  (Show Source):
You can put this solution on YOUR website!
a) (x^2/9) - (y^2/16) = 1 -> hyperbola
.
b) (x^2/81) + (y^2/64) = 1 -> ellipse
.
c) x^2 + y^2 = 25 -> circle
.
d) y = x^2-2x-8 -> parabola
.
e) (y^2/4) - (x^2/9) = 1 -> hyperbola