Chapter 12: Algebraic Expressions

Questions

1. Simplify $5a + 3a - 2a$.
2. Add $(3x^2 - 5x + 2)$ and $(2x^2 + 3x - 1)$.
3. Value of $x^2 - 4x + 5$ at $x = 3$.
4. Add $3x^2 + 2x - 5$ and $x^2 - x + 4$.
5. Coefficient of $x^2$ in $7x^2 - 3x + 5$.
6. Subtract $4x - 5$ from $10x + 3$.
7. Value of $3a^2 - 2a + 5$ when $a = 2$.
8. Number of terms in $2x^3 + 3x^2 - x + 7$.
9. Like terms in $3x, 5y, -2x, 7$.
10. Combine: $5m + 3n - 2m + n$.

Extra Practice (Optional)

• Coefficient of $x^2$ in $7 - 3x^2 + x$.
• Add $2p + 3q$ and $5p - q$.
• Value of $-3x + 7$ at $x=-2$.