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3 years ago

Find the center, vertices, and foci of the ellipse with equation 2x2 + 7y2 = 14.

Mathematics

2 answers:

Harman [31]3 years ago

4 0

Answer:

Center: (0, 0); Vertices: (-√ 7,0),(√ 7,0) Foci: (-√ 5,0),(√ 5,0)

Step-by-step explanation:

Center is at (0,0) because you can see it when graphed. Same with everything else.

Molodets [167]3 years ago

3 0

Answer:

Vertex 1 : ( √ 7 , 0 ) Vertex 2 : ( − √ 7 , 0 )

Foci: Ordered pair negative square root 5 comma 0 and ordered pair square root 5 comma 0

center:(0,0)

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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4 years ago

1.2x + 3 =4x + 2

Dmitry_Shevchenko [17]

1. 2x+3=4x+2
⇒ 4x-2x=3-2
2x=1
x=1/2
There is one solution.

2. 18p-10p=5+6/2
8p=5+3
8p=8
p=8:8
p=1

3. 6a/3=2a
2a-a= -2 -3
a= - 5

4. 5+r-2=9,
5-2+r=9
3+r=9
r=9 - 3
r=6

5. -0,9 m= 9
m= - 10

6. -2 (x+1/4)=5-1=4
x+1/4= -2
x= -2 - 1/4
x= -8/4 - 1/4= - 9/4

7. 6f+4f= 6 + 12
10 f = 18
f=18/10=1,8

8. 7n - 3n= 16
4n=16
n=16:4
n=4

9. 1/3m-5/6m= - 15 - 3
2/6 m-5/6=-18
- 3/6m=-18 ⇒ 1/2m=18
m=2*18=36

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3 years ago