Question

(a) Identify terms that contain x and give the coefficient of x. (i) y ² x + 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 y 2 and give the coefficient of y ² . (i) 8 – xy² (ii) 5y ² + 7x (iii) 2x ² y – 15xy² + 7y²

Answer 1

(a) 
(i)y²x+y : Term with factor x - y2x Coefficient of x - y²
(ii) 13y²–8yx : Term with factor x - -8yx Coefficient of x -8y
(iii)x+y+2 : Term with factor x - x Coefficient of x - 1
(iv)5+z+zx : Term with factor x - zx Coefficient of x - z
(v) 1+x+xy : Term with factor x - x xy Coefficient of x - 1 y
(vi)12xy²+25 : Term with factor x - 12xy² Coefficient of x - 12y²
(vii)7x+xy² : Term with factor x - xy² 7x Coefficient of x - y²7

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(b) 
(i)8– xy² : Term contains y² -xy² Coefficient of y²-x
(ii)5y²+7x : Term contains y²-5y² Coefficient of y²-5
(iii)2x²y–15xy²+7y² : Term contains y² -15xy²+7y² Coefficient of y² -15x⁷