Question

Let a = 4, b = -3, c = 1, x = -2, y = 3, z = 2
Algebraic Expression
Value
Algebraic Expression
Value
1. 3(2x + z)

6. 2xy + 8ab - 3y


2. 6a – 3b


7. 10abc + bc - y


3. 5c2 + 4


8. 8z3 - 4x + y2


4. x2 + 2x - 1


9. 3xy + 2x - 5


5. 3ax + 2by - cz


10. x2y2 - 8abz - 12

Answer 1

Answer:

1 3 {2(-2) + 2}

3 (-4+2)

3×-2

-6

2 6a- 3b

6(4)-3(-3)

24+9

33

3 5c2+4

5(1)2 + 4

10+ 4

14

4 x2 + 2x -1

(-2)2+2(-2)-1

-4-4-1

-8-1

-9

5 3ax + 2by - cz

3(4)(-2)+2(-3)(3)-1×2

-24 -18 -2

-42 -2

-44