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LekaFEV [45]
3 years ago
5

A line passes through the points (4,9) and (12,20) what is the slope of the line?

Mathematics
2 answers:
ad-work [718]3 years ago
8 0
Slope form y2-y1 / x2-x1 = m
20 - 9 = 11
12 - 4 = 9

The slope of the line is 11/9
Vanyuwa [196]3 years ago
4 0

Answer:

11/8

Step-by-step explanation:

slope = \frac{y_{2} - y_{1}  }{x_{2} - x_{1}  }

20 - 9 = 11

12 - 4 = 8

slope = 11/8

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-4/3,4/9,-4/27,4/81,-4/243...<br><br> what is the common ratio! HELP ASAP
kaheart [24]
Answer: The common ratio is -1/3

-----------------------------------------------------------

Work Shown:

Pick any term to divide it by the previous term. I'm going to pick the second term and divide it by the first term.

r = common ratio
r = (term 2) divided by (term 1)
r = (4/9) divided by (-4/3)
r = (4/9) * (-3/4) 
r = (4*(-3))/(9*4)
r = -12/36
r = -1/3
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This means you multiply each term by -1/3 to get the next term

For instance
term 2 = r*(term 1)
term 2 = (-1/3)*(-4/3)
term 2 = ((-1)*(-4))/(3*3)
term 2 = 4/9

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3 years ago
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I did the work on a sticky note.
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Step-by-step explanation:

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