The first five terms of a sequence are: 25, 22, 19, 16, 13. Find an expression in terms of n for the nth term of this sequence.
-3n + 28
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20
This triangle has a perimeter of 31cm. Find x.
x = 6cm
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15
Factorise fully 12m + 8m²
4m(3 +2m)
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15
Solve: 2x² = 50
x = 5
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15
A child ticket to see a show costs £x. An adult ticket costs £5 more than a child ticket. Write an expression for the cost of one adult ticket and two child tickets.
3x + 5 (£)
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trap
No points!
Oops!
magnet
Take 25 points!
Okay!
shark
Other team loses 25 points!
Okay!
baam
Lose 25 points!
Oops!
15
The first five terms of a Fibonacci sequence are: 2, 3, 5, 8. What are the next two terms in the sequence?