(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) |
7 + xy2 |
xy2 |
y2 |
(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 |