Examples by Topic

Conic Sections

 
Conic Sections

Conics

plot a conic section and identify its type

x^2 - 2 y^2 = 1

2x^2 - 3xy + 4y^2 + 6x - 3y - 4 = 0

Circles

compute properties of a circle

circle of radius 2 with center (0,-2)

circle with area 30cm^2

find a circle passing through three points

circle through (0,0), (1,0), (0,1)

compute the circumference of a circle

circumference of a circle with radius 3 miles

Ellipses

compute properties of an ellipse

ellipse with semiaxes 2,5 centered at (3,0)

ellipse with eccentricity 1/2

specify an ellipse by its equation

ellipse with equation (x-2)^2/25 + (y+1)^2/10 = 1

compute the eccentricity of an ellipse

eccentricity of an ellipse with semiaxes 12,1

compute the focal parameter of an ellipse

focal parameter of an ellipse with semiaxes 4,3

Parabolas

compute properties of a parabola

parabola with focus (3,4) and vertex (-4,5)

parabola (y-2)^2=4x

compute the directrix of a parabola

directrix of parabola x^2+3y=16

Hyperbolas

compute properties of a hyperbola

hyperbola with center (100, 200) and focus (110, 180)

hyperbola semimajor axis 10, focal parameter 2

locate the foci of a hyperbola

foci of hyperbola with semiaxes 3,4