# Ex.12.1 Q4 Algebraic Expressions Solution - NCERT Maths Class 7

Go back to  'Ex.12.1'

## Question

(a) Identify terms which contain $$x$$ and give the coefficient of $$x.$$

(i) $$y^2x + y$$

(ii) $$13y^2 – 8yx$$

(iii) $$x + y + 2$$

(iv) $$5 + z + zx$$

(v) $$1 + x + xy$$

(vi) $$12xy^2 + 25$$

(vii) $$7x + xy^2$$

(b) Identify terms which contain $$y^2$$ and give the coefficient of $$y^2.$$

(i) $$8 – xy^2$$

(ii) $$5y^2 + 7x$$

(iii) $$2x^2y – 15xy^2$$ + $$7y^2$$

Video Solution
Algebraic Expressions
Ex 12.1 | Question 4

## Text Solution

(a) Identify terms which contain $$x$$ and give the coefficient of $$x.$$

(i) $$y^2x + y$$

(ii) $$13y^2 – 8yx$$

(iii) $$x + y + 2$$

(iv) $$5 + z + zx$$

(v) $$1 + x + xy$$

(vi) $$12xy^2 + 25$$

(vii) $$7x + xy^2$$

 S.No. Expression Term containing x Coefficient of x (i) $$y^2x + y$$ $$y^2x$$ $$y^2$$ (ii) $$13y^2 – 8yx$$ $$–8yx$$ $$–8y$$ (iii) $$x + y + 2$$ $$x$$ $$1$$ (iv) $$5 + z + zx$$ $$zx$$ $$z$$ (v) $$1 + x + xy$$ $$x$$ and $$xy$$ $$1$$ and $$y$$ (vi) $$12xy^2 + 25$$ $$12xy^2$$ $$12y^2$$ (vii) $$7 x + xy^2$$ $$7 x$$ and $$xy^2$$ $$7$$ and $$y^2$$

(b) Identify terms which contain $$y^2$$ and give the coefficient of $$y^2.$$

(i) $$8 – xy^2$$

(ii) $$5y^2 + 7x$$

(iii) $$2x^2y – 15xy^2$$ + $$7y^2$$

 S.No. Expression Term containing y2 Coefficient of y2 (i) $$8 – xy^2$$ $$– xy^2$$ $$– x$$ (ii) $$5y^2 + 7x$$ $$5y^2$$ $$5$$ (iii) $$2x^2 y – 15xy^2 + 7y^2$$ $$– 15xy^2$$ and $$7y^2$$ $$– 15x$$ and $$7$$

Learn from the best math teachers and top your exams

• Live one on one classroom and doubt clearing
• Practice worksheets in and after class for conceptual clarity
• Personalized curriculum to keep up with school