Identify the numerical co-efficient of each term in the following expression. (3 marks)
$2 x^{2} - 5 x y + 6 y^{2} + 7 x - 10 y + 9$

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Solution

Term co-efficient
$2 x^{2}$ 2
$- 5 x y$ -5
6 $y^{2}$ 6
$7 x$ 7
-10y -10
9 9 (0.5 mark for each term)

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