1. Evaluating Expressions

2. Order of Operations 1 – parenthesis 2 – exponents
3 – divide and multiply
4 – subtract and add

3. Algebraic Expression
has variables
2ab + 7c2 -12

4. Evaluating Expression
#1 replace all the variables with their values
#2 work using the order of operations
!!!!!!TORNADOS!!!!!!

5. Evaluate
b = 10

6. Evaluate
a = 2
b = 4

7. Evaluate
x = 12
y = 1.5
z = 11

8. Evaluate
a = 5
b = 6
c = 7

9. Evaluate
x = 1
y = 3.5

10. Evaluate
a = 8
b = 2
c = 5

11. Evaluate
x = 3

12. Evaluate
y = 1

13. Evaluate
a = 7
b = 3
c = 10

14. Evaluate
b = 3

15. Evaluate
b = 3

16. Evaluate
x = 5
z = 6.2

17. Evaluate
a = 7
b = 25
c = 5

18. Evaluate
x = 9
y = 2
z = 7

19. Evaluate
a = 4
b = 2
c = 7

20. Evaluate
x = 7.8
y = 3.4

21. Evaluate
a = 7

22. Evaluate
x = 2
y = 3
z = 4

23. Evaluate
a = 35
b = 5
c = 7

24. Evaluate
a = 5.2
b = 2

25. Evaluate
a = 10
b = 7.5

26. Evaluate
a = 2
b = 1
c = 5

27. Evaluate
a = 12
b = 3

28. Evaluate
a = 1.5
b = 8
c = 3

29. Evaluate
a = 1.5
b = 5