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CP02 Conics

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Defining Parameters

Define the type of conic (Parabola, Hyperbola, Ellipse, or Circle) based on the given
equation. If the conic is a hyperbola, provide the equation of the asymptotes. For each
conic, also determine the vertex, the directrix, and if applicable the foci. Finally, sketch
the conic.
1.4 x 2+ 4 y 2=32
Define the hyperbola and directrix equation based on the eccentricity and the parabola
equation given. Determine the foci, vertex, directrix, the asymptotic line of the equation
and sketch the graph.
1. e=4, y 2=−x
Complete The Square
Define the type of conic (Parabola, Hyperbola, Ellipse, or Circle) based on the given
equation. If the conic is a hyperbola, provide the equation of the asymptotes. For each
conic, also determine the vertex, the directrix, and if applicable the foci. Finally, sketch
the conic.
1.4 x 2−8 x+12 y 2 +20 y +28=0
2. 12 x2 +54 x−4 y 2 +64 y−200=0
Defining Equation
Define the conic equation from the given parameters and sketch the conic.

1. Vertical Hyperbola with eccentricity √2 that passes through (1,2)


2
2. Ellipse with a vertex at (5,0) that passes through (2,3)
3. Hyperbola with asymptotes 2x + y = 0 and 2x - y = 0; vertex at (5,0)
4. Horizontal ellipse that goes through (0,3) and (-5,-2)

Rotation of Conic
Find the new equation of the conic after rotated by the θ specified. Sketch the conic
before and after the rotation.
2 π
1. y =2 x ,θ=
3
Given the equation below, use the rotation method to eliminate the xy in the equation
and sketch the new graph.
1. x 2−2 xy+ y 2−17=0
Parametric Representation of Curve on Plane
Determine the corresponding curve of the parameter equation specified and sketch its
graph.
1. x=4 co s2 t , y=4 sin 2 t ; 0 ≤ t ≤ π

Evaluate the indicated double integrals.

1.
Sketch the indicated region S manually and find its area using double integrals.
Note: answer without double integrals will only obtain at most 10 points.
1.
Sketch the solid enclosed by the indicated region R and the given plane, then use
double or triple integrals to find its volume.

1.

Sketch the given Tetrahedron in the 1st octant enclosed by the coordinate
planes and the given plane, then calculate its volume using triple
integrals.
Note: answer without triple integrals will only obtain at most 15 points.
1.

Use jacobian to evaluate the given double integrals in the indicated region S.
Hint:

1. where is the region enclosed by

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