• # question_answer 1)                 Identify the terms, their coefficients for each of the following expressions: (i) $5xy{{z}^{2}}-3zy$                                                   (ii) $1+x+{{x}^{2}}$ (iii) $4{{x}^{2}}{{y}^{2}}-4{{x}^{2}}{{y}^{2}}{{z}^{2}}+{{z}^{2}}$                 (iv) $3-pq+qr-rp$ (v) $\frac{x}{2}+\frac{y}{2}-xy$                                                               (vi) $0.3a-0.6ab+0.5b$

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