31-10-2021
Mathematics

contestada

The nth term of a sequence is n2 + 4
Alex says
"The n th term of the sequence is always a prime number when n is an odd number.”
Alex is wrong.
Give an example to show that Alex is wrong.

Respuesta :

briannajohnson6897 briannajohnson6897

31-10-2021

1 is an odd number so let’s put 1 into n, (1)2+4 which equals 2+4 which is 6, 6 is not a prime number as it can has factors such as 2&3 not just 1&6.

Answer Link

Otras preguntas

How many Bacteria can you fit into a period at the end of a sentence

A conversation between two people is an example of __________ communication. a. no b. group c. nonverbal d. interpersonal

Keats's reaction to his discovery of Homer was one of _____. excited chatter silent awe both excited chatter and silent awe

The economic cost to society each year from crashes and injuries on US highways is about 242 Billion dollars. a. True b. False

The country in the world with the largest population but not the largest land mass is .

Animal cells contain all of the following structures EXCEPT a

A process that absorbs heat is a(n) _____ process. a. exothermic b. endothermic c. polythermic d. ectothermic

Finance companies __________.Select one of the options below as your answer: a. make loans to consumers b. are fairly small c. make loans to businesses d. a

A set is a named group of formatting characteristics . (True or False)

Earthquakes, volcanic eruptions, the alteration of rock layers by tectonic forces, and mass extinctions are known as _____. a. beds b. fossils c. events d.