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GraceHam | 23:26 Mon 14th Nov 2016 | Quizzes & Puzzles
5 Answers
Please assist:-
Question:-
Here is a sequence
1, 3, 17, 115

To find the next term the rule is multiply by (a) and then subtract (b), where (a) and (b) are integers.
Find the values of (a) and (b)
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multiply by 7 then subtract 4
so a=7, b = 4
Question Author
Thank you very much for your answer
You aren't doing your son any favours by getting AB to do his homework.
If he can't understand it, ask the teacher to spend a few moments explaining the questions.
What happens at exam time when he is on his own in the test room?
formula is:
1a-b=3 and 3a-b=17

add b to both so 1a=3 and 3a =17 therefore 2a=14

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