KSEEB Solutions for Class 8 Maths Chapter 2 Algebraic Expressions Ex 2.2

KSEEB Solutions for Class 8 Maths Chapter 2 Algebraic Expressions Ex 2.2

Karnataka Board Class 8 Maths Chapter 2 Algebraic Expressions Ex 2.2

Question 1.
Classify into like terms
4x², (1/3 x) , – 8x³, xy, 6x³, 4y, -74×3, 8xy, 7 xyz, 3x²
Answer:
Like terms I= (4x², 3x²)
II = 
III = -8x³, 6x³, -74×3
IV = (xy, 8xy)
V = (4y)
VI = (7 xyz)

Question 2.
Simplify
i. 7x – 9y + 3 – 3x + 5y + 8
ii. 3x² + 5xy – 4y² + x² – 8xy – 5y²
Answer:

Question 3.
Add
i. 5a + 3b, a – 2b and 3a + 5b
ii. x³ – xy + 5xy² + y , – x³ – 9xy² + y and 3x²y + 9xy²
Answer:

Question 4.
Subtract
i. – 2xy + 3xy² from 8xy
ii. a – b – 2c from 4a + 6a – 2c
Answer: