Identify the terms, their co-efficients for each of the following expressions.
(i) $7x^2yz - 5xy$
(ii) $x^2 + x + 1$
(iii) $3x^2y^2 - 5x^2y^2z^2 + z^2 + 1$
(iv) $9- ab + be-ca$
(v) $\frac{a}{2}+\frac{b}{2}-ab$
(vi) $2x - 0.3xy + 0.5y$

AcademicMathematicsNCERTClass 8

To do: 

We have to identify the terms and their coefficients for the given expressions.

 Solution: 

(i) $7x^2yz - 5xy$

TermCoefficient
$7x^2yz$$7$
$-5xy$

$-5$

(ii) $x^2 + x + 1$

TermCoefficient
$x^2$$1$
$x$

$1$

$1$$1$

(iii) $3x^2y^2 - 5x^2y^2z^2 + z^2 + 1$

TermCoefficient
$3x^2y^2$$3$
$-5x^2y^2z^2$

$-5$

$z^2$$1$
$1$$1$
(iv) $9- ab + be-ca$
TermCoefficient
$9$$9$
$-ab$

$-1$

$be$$1$
$-ca$$-1$
(v) $\frac{a}{2}+\frac{b}{2}-ab$
TermCoefficient
$\frac{a}{2}$$\frac{1}{2}$
$\frac{b}{2}$

$\frac{1}{2}$

$-ab$$-1$
(vi) $2x - 0.3xy + 0.5y$
TermCoefficient
$2x$$2$
$-0.3xy$

$-0.3$

$0.5y$$.0.5$
raja
Updated on 10-Oct-2022 13:19:20

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