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Law Incorporation [45]
4 years ago
5

Write the equation of the ellipse using the given information:

Mathematics
1 answer:
horsena [70]4 years ago
8 0

We know, equation of ellipse is given by :

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1

Here,

(h,k) is centre of the ellipse = (0,0).

a = major axis = 8.

b = minor axis = 4.

Putting all given value in above equation, we get :

\dfrac{(x-0)^2}{8^2}+\dfrac{(y-0)^2}{4^2}=1\\\\\dfrac{x^2}{8^2}+\dfrac{y^2}{4^2}=1\\\\\dfrac{x^2}{64}+\dfrac{y^2}{16}=1

Hence, this is the required solution.

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Can someone please help me with math.
melamori03 [73]

Answer:

you must understand the formal

and then take a step to solve the question you are giving for example when you are given to fine √81.first you must understand what they are you to do

6 0
3 years ago
Which points lie on the line that passes through point P and is parallel to the given line? Select three options.
gulaghasi [49]

Answer:

So we have (-1,3), (-2,2) and (-5,-1).

Step-by-step explanation:

So we need to find the equation of the line that is parallel to the blue line going through point P.

The slope of the blue line (count the rise/run) is 1/1=1.

Parallel lines have the same slope.  

So y=mx+b is the slope-intercept form where m is the slope and b is the y-intercept.

So since the blue line has slope 1 and parallel lines have the same slope then the line going through point P will have slope 1 too.

Point P is actually the y-intercept of the line going through P.

So the equation that is parallel to the blue line going through point P is y=1x+4. b was 4 because it was the y-intercept.

You can also just write y=1x+4 as y=x+4.

Testing the points:

(-4,2)?

Does y=x+4 for this point?  2=-4+4 which gives us 2=0 so no for this point.

(-1,3)?

Does y=x+4 for this point?  3=-1+4 which gives us 3=3 so yes for this point.

(-2,2)?

Does y=x+4 for this point?  2=-2+4 which gives us 2=2 so yes for this point.

(4,2)?

Does y=x+4 for this point?  2=4+4 which gives us 2=8 so no for this point.

(-5,-1)?

Does y=x+4 for this point?  -1=-5+4 which gives -1=-1 so yes for this point.

So we have (-1,3), (-2,2) and (-5,-1).

5 0
4 years ago
Read 2 more answers
What is the answer to 2+2=
amid [387]

Answer:

4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
ben thinks of a number he adds half of the number the result is 60 what was the number ben first thought of
aleksandr82 [10.1K]
Ben thinks 30 and adds half which is 30 more which becomes 60
4 0
3 years ago
Use the results of exercises 18 and 19 to prove that given any two rational numbers r and s with r , s, there is another rationa
777dan777 [17]

Answer:

Step-by-step explanation:

Let r and s be two rational numbers

Without loss of generality assume that r<s, because one number has to be necessarily less than the other otherwise two would be equal.

Then find mid value of r and s as

\frac{r+s}{2} =t

So we have atleast one rational number between r and s. Note that t is rational because it is sum of two rational numbers r/2 and s/2

Now using r and t we find one rational number say u between r and t.  

Again with r and u we find another rational number between them

This process can be repeated infinitely

Thus we conclude there are infinitely many rational numbers in between any two distinct rational numbers.

5 0
3 years ago
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