Identify terms which contain $y^{2}$ and give the coefficient of $y^{2}$ . [3 Marks]

(i) $8 - x y^{2}$
(ii) $5 y^{2} + 7 x$
(iii) $2 x^{2} y - 15 x y^{2} + 7 y^{2}$

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Solution

Solution:

$\begin{matrix} S . N O . & E x p r e s s i o n & T e r m c o n t a i n s y^{2} & C o e f f i c i e n t o f y^{2} (i) & 8 - x y^{2} & - x y^{2} & - x (i i) & 5 y^{2} + 7 x & 5 y^{2} & 5 (i i i) & 2 x^{2} y - 15 x y^{2} + 7 y^{2} & - 15 x y^{2}; 7 y^{2} & - 15 x; 7 \end{matrix}$
[1 $\times$ 3 = 3 Marks]

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Question 4 (b)

Identify terms which contain $y^{2}$ and give the coefficient of $y^{2}$ .

(i) $8 - x y^{2}$
(ii) $5 y^{2} + 7 x$
(iii) $2 x^{2} y - 15 x y^{2} + 7 y^{2}$

(a) Identify terms which contain x and give the coefficient of x.

(i) y²x + y (ii) 13y²− 8yx (iii) x + y + 2

(iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy² + 25

(vii) 7x + xy²

(b) Identify terms which contain y² and give the coefficient of y².

(i) 8 − xy² (ii) 5y² + 7x (iii) 2x²y −15xy² + 7y²

Identify terms which contain $y^{2}$ and give the coefficient of $y^{2}$ .

(i) $8 - x y^{2}$
(ii) $5 y^{2} + 7 x$
(iii) $2 x^{2} y - 15 x y^{2} + 7 y^{2}$ (3 marks)