Grade 8 Mathematics Notes & Exercises
, 1. Algebraic Expressions
• Definition: Expressions made up of terms, variables, and constants.
• Like terms must have the same variable and exponent.
Example:
Simplify: 4x + 3 − 2x + 7 → 2x + 10
Exercises:
1) 5a + 3 − 2a
2) 7m − 3m + 8
3) 4x + 2 − x + 9
, 1. Algebraic Expressions
• Definition: Expressions made up of terms, variables, and constants.
• Like terms must have the same variable and exponent.
Example:
Simplify: 4x + 3 − 2x + 7 → 2x + 10
Exercises:
1) 5a + 3 − 2a
2) 7m − 3m + 8
3) 4x + 2 − x + 9