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Nimfa-mama [501]
3 years ago
15

What is 9x-7y=-7 in slope intercept form?

Mathematics
1 answer:
Novay_Z [31]3 years ago
4 0
Slope intercept form is y = mx + b

So if you start with 9x - 7y = -7, the first thing you need to do is move the 9x to the other side of the equation by subtracting it from both sides.
       9x - 7y =      -7
       -9x          -9x

Now you have -7y = -9x -7

For the equation to be in slope intercept form now you should divide every term by the number in front of your y.  In this case divide every term by -7
    -<u>7y</u> =  <u>-9x</u>  <u>-7</u>
      -7      -7   -7

That leaves you with: y = 9x/7 + 1


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If f'(0) = 5 and F(x) = f(3x), what is F'(0)?
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Answer:

\displaystyle F'(0) = 15

Step-by-step explanation:

We are given that:

f'(0) = 5 \text{ and } F(x) = f(3x)

And we want to find F'(0).

First, find F(x):

\displaystyle F'(x) = \frac{d}{dx}\left[ f(3x)]

From the chain rule:

\displaystyle \begin{aligned} F'(x) &= f'(3x) \cdot \frac{d}{dx} \left[ 3x\right] \\ \\ &= 3f'(3x)\end{aligned}

Then:

\displaystyle \begin{aligned} F'(0) & = 3f'(3(0)) \\ \\ & = 3f'(0) \\ \\ & = 3(5) \\ \\ & = 15\end{aligned}

In conclusion, F'(0) = 15.

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Answer:

Step-by-step explanation:

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3 years ago
What laws being modeled?
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3 years ago
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3 years ago
Y=-4x+4
attashe74 [19]
Steps:
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X-6=-4x+4
2. Add 4x to both sides
3. 5x-6=4
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3 0
3 years ago
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