Identify the terms, their coefficients for each of the following expressions.
(i) 5xyz2 - 3zy (ii) 1 + x + x2 (iii) 4x2y2 - 4x2y2z2 + z2
(iv) 3 - pq + qr - rp (v) x/2 + y/2 - xy
(vi) 0.3a - 0.6ab + 0.5b
Solution:
The numerical factor of a term is called its numerical coefficient or simply coefficient.
The terms and the respective coefficients of the given expressions are as follows.
| - | Terms | Coefficients |
| (i) |
5xyz2 -3zy |
5 -3 |
| (ii) |
1 x x2 |
1 1 1 |
| (iii) |
4x2y2 -4x2y2z2 z2 |
4 -4 1 |
| (iv) |
3 -pq qr -rp |
3 -1 1 -1 |
| (v) |
x/2 y/2 -xy |
1/2 1/2 -1 |
| (vi) |
0.3a -0.6ab 0.5b |
0.3 -0.6 0.5 |
☛ Check: NCERT Solutions for Class 8 Maths Chapter 9
Video Solution:
Identify the terms, their coefficients for each of the following expressions. (i) 5xyz² - 3zy (ii) 1 + x + x² (iii) 4x²y² - 4x²y²z² + z² (iv) 3 - pq + qr - rp (v) x/2 + y/2 - xy (vi) 0.3a - 0.6ab + 0.5b
Maths NCERT Solutions Class 8 Chapter 9 Exercise 9.1 Question 1
Summary:
The terms and coefficients for the follwoing expressions (i) 5xyz2 - 3zy (ii) 1 + x + x2 (iii) 4x2y2 - 4x2y2z2 + z2 (iv) 3 - pq + qr - rp (v) x/2 + y/2 - xy (vi) 0.3a - 0.6ab + 0.5b are (i) Terms: 5xyz2 , - 3zy, Coefficients: 5 and -3 (ii) Terms: 1, x, x2, Coefficients: 1, 1 and 1 (iii) Terms: 4x2y2 , - 4x2y2z2, z2, Coefficients: 4, -4 and 1 (iv) Terms: 3, - pq, + qr, - rp, Coefficients: 3, -1, 1, and -1 (v) Terms: x/2, y/2, - xy, Coefficients: 1/2, 1/2 and -1 (vi) Terms: 0.3a, - 0.6ab, 0.5b, Coefficient: 0.3, -0.6, and 0.5
☛ Related Questions:
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