3 years ago

Evaluate n^2 -m. If you n=-5 and m=3

Mathematics

2 answers:

Roman55 [17]3 years ago

3 0

Answer:

Step-by-step explanation:

n² - m =

-5² - 3 =

25 - 3 = 22

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katovenus [111]3 years ago

3 0

Answer:

Step-by-step explanation:

(-5)^2- 3

two negatives make a positive which would be 25 then minus the 3

=25-3

then you get your total

=22

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Answer:

Recursive:

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

Explicit:

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Explanation:

1. Sequence:

$a_1=82\\ \\ a_2=82+18=100\\ \\ a_3=100+18=118\\ \\ a_4=118+18=136\\ \\ ...$

2. Recursive formula

The recursive formula permits to calculate the value of the nth term in the sequence using the (n-1)th term in the sequence.

$a_n=a_{(n-1)}+18\\ \\ a_1=82$

3. Explicit formula

The explicit formula permits to calculate any value of a term in the sequence:

$a_n=a_1+(n-1)d\\ \\ a_n=82+(n-1)18\\ \\ a_n=82+18n-18\\ \\ a_n=64+18n$

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