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Alexus [3.1K]
2 years ago
11

What is the equation of this graphed line?

Mathematics
2 answers:
MrMuchimi2 years ago
6 0
We can find the slow by using the formula y2-y1/x2-x1. We have (-4, -6) and (2, 6). 6+6/2+4 is 12/6 which is 2. We need to put this into point slope form before putting this into slope-intercept form.

I will use the coordinates (2, 6).

y - 6 = 2(x - 2)

This gives us y - 6 = 2x - 4. We need to isolate y. This gives us y = 2x + 2.

I decided to use point slope form because it looks like the y-intercept is 2 and something tenths. However, the line is just off.

The answer is: y = 2x + 2
xz_007 [3.2K]2 years ago
3 0
Answer is highlighted in blue. If you have any questions feel free to ask.
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Where <em>x </em>is the number of books sold, <em>i </em>is income, and <em>c </em>is cost:

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subtract 4x from both sides

<em>3500 = 11x</em>              

divide both sides by 11

<em>x = 318.181818</em>

So, you would have to sell a minimum of 319 books in order to make a profit.

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