(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
(a)
Row | Expression | Terms with x | Coefficient of x |
(i) | y2x + y | y2x | y2 |
(ii) | 13y2 − 8yx | − 8yx | −8y |
(iii) | x + y + 2 | x | 1 |
(iv) | 5 + z + zx | zx | z |
(v) | 1 + x + xy | x xy | 1 y |
(vi) | 12xy2 + 25 | 12xy2 | 12y2 |
(vii) | 7x+ xy2 | 7x | 7 |
(b)
Row | Expression | Terms with y2 | Coefficient of y2 |
(i) | 8 − xy2 | −xy2 | − x |
(ii) | 5y2 + 7x | 5y2 | 5 |
(iii) | 2x2y + 7y2 −15xy2 | 7y2 −15xy2 | 7 −15x |