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3 years ago

Help!!

2 answers:

5 0

The formula for slope is sometimes referred to as "rise over run" because the fraction consists of the "rise" (the change in y, going up or down) divided by the "run" (the change in x, going from left to the right).

How do you find slope rise over run?

Find two points on the line.

Count the rise (How many units do you count up or down to get from one point to the next?)

Record this number as your numerator.

Count the run (How many units do you count left or right to get to the point?)

Simplify your fraction if possible.

tatiyna3 years ago

3 0

Hello,

I dont care for points, Just glad to help! :D

And A slope iis only x*y=z. This mean's
That you will basically be dividing top from side (NOY BOTTOM)
and be multiplying those 2.

Hope this helps

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3 years ago

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andreyandreev [35.5K]

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3 years ago

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The total amount spent by some number of people on clothing and footwear In the years 2000-2009 can be modeled by the quadratic

FinnZ [79.3K]

For this problem, we are given a quadratic equation that models the total amount spent on clothing and footwear in the years 2000-2009. We need to use the model to determine the maximum amount spent during the period.

The equation is shown below:

$f(x)=-4.462x^2+71.54x+97.44$

Since the leading term is negative, the vertex of this function will represent an absolute maximum value. Therefore we can determine the vertex to answer the problem, the vertex's coordinates are given below:

$\begin{gathered} x_{max}=\frac{-b}{2a}\\ \\ y_{max}=f(x_{max}) \end{gathered}$

Then we have:

$\begin{gathered} x_{max}=\frac{-71.54}{2\cdot(-4.462)}=8.017\\ \\ y_{max}=-4.462\cdot(8.017)^2+71.54\cdot(8.017)+97.44=384.2 \end{gathered}$

In the year 2008, 384 billion was spent on clothing and footwear.

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1 year ago