The first five terms of a sequence are: -3, 1, 5, 9, 13. Find an expression in terms of n for the nth term of this sequence.
4n - 7
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thief
Give points!
5
10
15
20
25
magnet
Take 20 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
Expand & Simplify: (x + 3)(x + 2)
x² + 5x + 6
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baam
Lose 25 points!
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magnet
Take 15 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
Factorise fully 18a²bc + 30abc²
6abc (3a + 5c)
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20
This rectangle has a perimeter of 24cm. Find x.
x = 5cm
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10
Expand n(5n + 1)
5n² + n
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15
A school charges £5 for tickets to a show. The school raises £x in total from ticket sales. Write an expression for the total number of tickets sold by the school.
£x / £5
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25
Find the perimeter of the rectangle.
52cm
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10
Find the value of 3m² + 5 when m = 5
80
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20
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.