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3 years ago

The_______ coordinate located at the highest or lowest point on a parobla

Mathematics

1 answer:

djyliett [7]3 years ago

6 0

Answer:

Vertex

Step-by-step explanation:

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Solve the equation using the substitution u = y/x. When u = y/x is substituted into the equation, the equation becomes separable

bekas [8.4K]

Answer:

$\frac{u^2+3}{-u^3+u^2-2u}u'=\frac{1}{x}$

Step-by-step explanation:

First step: I'm going to solve our substitution for y:

$u=\frac{y}{x}$

Multiply both sides by x:

$ux=y$

Second step: Differentiate the substitution:

$u'x+u=y'$

Third step: Plug in first and second step into the given equation dy/dx=f(x,y):

$u'x+u=\frac{x(ux)+(ux)^2}{3x^2+(ux)^2}$

$u'x+u=\frac{ux^2+u^2x^2}{3x^2+u^2x^2}$

We are going to simplify what we can.

Every term in the fraction on the right hand side of equation contains a factor of $x^2$ so I'm going to divide top and bottom by $x^2$ :

$u'x+u=\frac{u+u^2}{3+u^2}$

Now I have no idea what your left hand side is suppose to look like but I'm going to keep going here:

Subtract u on both sides:

$u'x=\frac{u+u^2}{3+u^2}-u$

Find a common denominator: Multiply second term on right hand side by $\frac{3+u^2}{3+u^2}$ :

$u'x=\frac{u+u^2}{3+u^2}-\frac{u(3+u^2)}{3+u^2}$

Combine fractions while also distributing u to terms in ( ):

$u'x=\frac{u+u^2-3u-u^3}{3+u^2}$

$u'x=\frac{-u^3+u^2-2u}{3+u^2}$

Third step: I'm going to separate the variables:

Multiply both sides by the reciprocal of the right hand side fraction.

$u' \frac{3+u^2}{-u^3+u^2-2u}x=1$

Divide both sides by x:

$\frac{3+u^2}{-u^3+u^2-2u}u'=\frac{1}{x}$

Reorder the top a little of left hand side using the commutative property for addition:

$\frac{u^2+3}{-u^3+u^2-2u}u'=\frac{1}{x}$

The expression on left hand side almost matches your expression but not quite so something seems a little off.

5 0

3 years ago

4x − 5 = −17 what is x

Alina [70]

Answer:

Step-by-step explanation:

<u>Add 5 to both sides of the equation</u>

That's

<u>Divide both sides by 4</u>

We have the final answer as

Hope this helps you

3 0

3 years ago

Are the two lines 3x - 4=-7 and x + 3y=6 parallel?

IceJOKER [234]

Answer:

No because the slopes arent the same (I’m guess it was -4y and not -4)

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

What's the answer ????????

Sindrei [870]

No, because people who have the same age can have different zip codes.

8 0

4 years ago

13 cm<br> 5 am<br> 12 cm<br> 10 cm<br> What is the total surface area of the block?

alekssr [168]

Answer:

13+5+12+10=40

Step-by-step explanation:

The answer would be 40 cm.

3 0

3 years ago

Read 2 more answers

The_______ coordinate located at the highest or lowest point on a parobla​

The_______ coordinate located at the highest or lowest point on a parobla