Question
Evaluate: 18 -(20 - 15 ÷ 3)
✓
Answer
$\begin{aligned} & 18-(20-15 \div 3) \\ & =18-\left(20-\frac{15}{3}\right) \\ & =18-(20-5) \\ & =18-20+5 \\ & =18+5-20 \\ & =23-20 \\ & =3\end{aligned}$
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| Point | Reflection in | ||
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| (i) (8, 2) | |||
| (ii) (5, 6) | |||
| (iii) (4, −5) | |||
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| (v) (−3, 7) | |||
| (vi) (−4, 5) | |||
| (vii) (−2, −7) | |||
| (viii) (−6, −3) | |||
| (ix) (4, 0) | |||
| (x) (−7, 0) | |||
| (xi) (0, −6) | |||
| (xii) (0, 7) | |||
| (xiii) (0, 0) | |||