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A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
Graph the first six terms of a sequence where a1 = 2 and r = 4
Solution:
It is given that
a1 = 2
r = 4
n = 6
The formula of nth term of a geometric progression is
an = ar(n - 1)
a1 = 2
a2 = 2 × 4(2 - 1) = 2 × 41 = 8
a3 = 2 × 4(3 - 1) = 2 × 42 = 32
a4 = 2 × 4(4 - 1) = 2 × 43 = 128
a5 = 2 × 4(5 - 1) = 2 × 44 = 512
a6 = 2 × 4(6 - 1) = 2 × 45 = 2048
Therefore, the first six terms of a sequence are 2, 8, 32, 128, 512 and 2048.
Graph the first six terms of a sequence where a1 = 2 and r = 4
Summary:
The first six terms of a sequence where a1 = 2 and r = 4 are 2, 8, 32, 128, 512 and 2048.
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