15Name:ID: BFind the vertices of the ellipse.2.3D136100(-1, 0) and (1, 0)a.(-10, 0) and (10, 0)(-8, 0) and (8, 0)d.b.C.none of these(-6, 0) and (6, 0)e.3. A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus, and the focaldiameter is 4 cm. Find the diameter d(C, D) of the opening 15 cm from the vertex. (a = 2, b = 15)18 cma.b.15 cm11 cmC.d. 17 cme. 10 cm3

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Asked Dec 6, 2019
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question 3 please

 

15
Name:
ID: B
Find the vertices of the ellipse.
2.
3D1
36
100
(-1, 0) and (1, 0)
a.
(-10, 0) and (10, 0)
(-8, 0) and (8, 0)
d.
b.
C.
none of these
(-6, 0) and (6, 0)
e.
3. A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus, and the focal
diameter is 4 cm. Find the diameter d(C, D) of the opening 15 cm from the vertex. (a = 2, b = 15)
18 cm
a.
b.
15 cm
11 cm
C.
d. 17 cm
e. 10 cm
3
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15 Name: ID: B Find the vertices of the ellipse. 2. 3D1 36 100 (-1, 0) and (1, 0) a. (-10, 0) and (10, 0) (-8, 0) and (8, 0) d. b. C. none of these (-6, 0) and (6, 0) e. 3. A lamp with a parabolic reflector is shown in the figure. The bulb is placed at the focus, and the focal diameter is 4 cm. Find the diameter d(C, D) of the opening 15 cm from the vertex. (a = 2, b = 15) 18 cm a. b. 15 cm 11 cm C. d. 17 cm e. 10 cm 3

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Expert Answer

Step 1

Given information

Focal diameter (4a) = 4 cm , distance of diameter d from vertex = 15 cm

Step 2

To determine

Diameter d of opening 15 cm from vertex

Step 3

Formula used

Standard equat...

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y=2ax, where 2ais focal diameter

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