Question

E
1
Value
Learning Task 2:
A. Evaluate the algebraic expressions
Let a = 4, b = -5, c = 0.6 , x = -3, y = 0.4; z = 2
Algebraic Expression
Value Algebraic Expression
1. 3abc + bc
6. 3x2 + 2xy - 3(ab)2
2. bxy + 5ab - ay
7. 25 - 2x2y + 3a2b - az?
3. abz - 82 + b
8. (az)2 + 5x2y - 4bc
4. ax + by - cz
9. 2x2y2 - 12abz - 16
a
10. 8z3 - 4x + y2
5. 4ax - CZ​

Answer 1

Answer:

$1.)3abc + bc \\ = 3 \times 4 \times - 5 \times 0.6 + - 5 \times 0.6 \\ = - 36 + - 3 \\ = 39ans.$