exercise module 8 conic

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EXERCISE: CONIC SECTIONS

1.

Label the following graphs with: Centre as C Focus as F Latus rectum as d Minor vertices as V3 and V4 wherever appropriate.

, , , ,

Vertex as V , Radius as r , Major vértices as V1 and V2 Foci as F1 and F2

,

y

y

y

x

x

x

2.

State the equation of circle centered at ( –3, 1) and diameter of 4 units.

3.

Find the coordinate of center and calculate the radius for 4x 2 − 40x + 4y 2 + 4y = −93 . Then, sketch the graph.

4.

Given the equation of parabola:

( y − 2 )2 = 8 ( 2 − x ) a) b) c) 5.

Locate the vertex, focus and the line of symmetrical axis. Calculate the length of latus rectum. Sketch the graph.

Construct the equation of an ellipse with the following properties: a=8

;

major axis, y = -1

;

lines of latus rectum are at x = 0 and x = 8.

Then, sketch the graph.

6.

Based on the following information: Line of major axis, y = - 3

Length of major axis = 1 unit 11 Length of latus rectum = ¼ unit , y-intecept at − 4 Name the conic section and construct the equation.

7.

,

Circumference of a round trampoline is 40 in . Construct the standard equation of circle that represent the shape of the trampoline.

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