Showing your working clearly, evaluate \(0.5\times \frac{(17^2 - 7^2) \div \sqrt{(-20)\times(-1.8)}}

Question

Showing your working clearly, evaluate $0.5\times \frac{(17^2 - 7^2) \div \sqrt{(-20)\times(-1.8)}}{0.74 - 3.24}$.[3] Showing your working clearly, evaluate $\frac{\frac{8}{5}\times \sqrt{\left(-2\frac{3}{4}\right)^2 - 6}}{-1\frac{1}{2} - 2\frac{3}{4}}$.[3]

Accepted Answer

(i) $-8$ (ii) $-\dfrac8{17}$

IP1 Class Test (May 2025) Q6

IP1 Class Test (May 2025) Q6

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