MA-70

Number patterns and the nth term

Lower Sec Maths · Secondary 1 · Hard · Number patterns and the nth term

A number pattern increases by the same amount each time.

The first four terms are:

12,\; a,\; 24,\; 28,\dots

(a) Find the value of

a

.

(b) Find an expression, in terms of

n

, for the

n

th term of the sequence.

What is the

n

th term?

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