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jeka94
3 years ago
6

What is the nth term of the following sequence……… 8, 3, -2, -7………..explain clearly aswell

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0

8, 3, -2, -7

basically

you have to figure how to get from one term to the other. so in this case, to get from 8 to 3, you have to minus 5. and same again to get from 3 to -2, you again have to -5.

so the first past of the answer is -5n.

then after that, you have to figure out how to get from -5, to the first term of your sequence. so you have to add 13, in this case.

your answer would then be

<h2> <em><u>-5n + 13</u></em></h2>

nexus9112 [7]3 years ago
6 0

Answer:

-5x + 13

Step-by-step explanation:

to find the nth term, you must find the difference between each consecutive given terms.

So,

8 and 3 = -5

3 and -2 = -5

-2 and -7 = -5

This is the m in the equation mn+c

c is the value you must add to -5n when n is 1

Hope this helps

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erastovalidia [21]

Answer:

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Step-by-step explanation:

8a-4b=20/×(-2)

5a-8b=62

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5a-8b=62

now -8+8=0 right? so the only parameter that we have is a.

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11a = 22/(÷11)

a=2

in order to find b, we will replace a with its value in one of the original equations (it doesn't matter which one you will choose).For instance, I chose the first one.

8×2-4b=20

-4b=20-16

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Answer:

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3 years ago
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