IGCSE /Grade 7
Maths MCQ Based On Evaluating variable expressions for arithmetic sequences
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IGCSE Grade 7 Maths Evaluating variable expressions for arithmetic sequences
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Put the value in the expression given above.
Read the question carefully and then put the value of n in the expression to find your answer.
Put the value of n from 5 in the expression given above.
Substitute the value of n in the given options to check. Start with n=1
Put the value of n as 5
tn is the nth term in the sequence
To find the first three terms of the sequence 3n - 6, we need to substitute the values 1, 2, and 3 for n and simplify.
Strat with n = 1 and so on
Find the first term and common difference by using the formula an = a1 + (n-1)d
a37=a1+(n-1)d
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