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harina [27]
3 years ago
5

How to find the slope from two points (14, -69) and (17, -57)

Mathematics
1 answer:
vampirchik [111]3 years ago
3 0

Answer:

4

Step-by-step explanation:

to find the slope from 2 points, you do y2-y1/x2-x1

in this case, it would be -57-(-69)=12

and then x2-x1 is 17-14=3

so, the slope is 12/3 or 4

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First equation is -425

Second equation is 11.25

Step-by-step explanation:

First equation we can write as

\sum_{i=0}^7 5 \times (-2)^i

computing

When i=0 -> 5 \times (-2)^0 =5

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When i=7 -> 5 \times (-2)^7 = --640

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For the second equation we'll have 9 terms, solving in a similar fashion

When i=1 -> \frac{1}{4}1=0.25

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When i=3 -> \frac{1}{4}3=0.75

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When i=9 -> \frac{1}{4}9=2.25

So we have 0.25 + 0.50 + 0.75 + 1.00 + 1.25 + 1.50+ 1.75 +2.00 +2.25

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Answer:

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Step-by-step explanation:

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