Question

Identify the terms, their coefficients for each of the following expressions.

(i) $5xy{z}^2-3zy$
(ii) $1+x+x^2$
(iii) $4x^2{y}^2-4x^2{y}^2{z}^2+z^2$
(iv) $3-pq+qr-rp$
(v) $\frac{x}{2}+\frac{y}{2}-xy$
(vi) $0.3a-0.6ab+0.5b$

Answer 1

Expression	Terms	Coefficients
$5xy{z}^2-3zy$	$5xy{z}^2$, $-3zy$	$5$ $-3$
$1+x+x^2$	$1$, $x$, $x^2$	No coefficient, $1$, $1$
$4x^2{y}^2-4x^2{y}^2{z}^2+z^2$	$4x^2{y}^2$, $-4x^2{y}^2{z}^2$, $z^2$	$4$, $-4$, $1$
$3-p{q}_{q}r-rp$	$3$, $-pq$, $-rp$	No coefficient, $-1$, $-1$
$\frac{x}{2}+\frac{y}{2}-xy$	$\frac{x}{2}$ $\frac{y}{2}$ $-xy$	$\frac{1}{2}$ $\frac{1}{2}$ $-1$
$0.3a-0.6ab+0.5b$	$0.3a$ $-0.6ab$ $0.5b$	$0.3$, $-0.6$, $0.5$