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Mathematics
Year 10
Apr 22
A rectangle has a length of (x + 3) cm and a width of (x - 2) cm. If the area is 50 cm², find the value of x.
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Mathematics
Year 11
Apr 21
Prove the identity: tan²θ + 1 = sec²θ
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Mathematics
Year 11
Apr 21
The first three terms of a geometric sequence are 2, 6, 18. Find the 8th term and the sum of the first 10 terms.
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Mathematics
Year 9
Apr 21
John buys 5 apples and 3 oranges for £4.50. Sarah buys 2 apples and 4 oranges for £3.20. Find the cost of one apple an...
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Mathematics
Year 12
Apr 21
Differentiate y = 3x⁴ - 2x³ + 5x - 7 and find the gradient when x = 2.
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Mathematics
Year 9
Apr 21
Calculate the area of a circle with radius 7 cm. Give your answer in terms of π.
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Economics
Year 11
Apr 21
What is GDP? How is it calculated? Explain the difference between nominal and real GDP.
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Mathematics
Year 11
Apr 20
If sin θ = 3/5 and θ is acute, find the exact values of cos θ and tan θ.
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Mathematics
Year 10
Apr 18
Simplify: (3x²y³)² × (2xy²)³
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