1. ALGEBRAIC EXPRESSIONS
Step 1 Write down the question
Step 2 Plug in the numbers
Step 3 Use PEMDAS
Work down, Show all steps

2. Problem 1
Given the formula P=K2W, find the value of P if K=5 and W=-3.

3. If V=lwh, what is the value of V when l=2, w=3, and h=4x?
Problem 2
If V=lwh, what is the value of V when l=2, w=3, and h=4x?

4. If x=1 and y=-2, which expression has a value of 3?
Problem 3
If x=1 and y=-2, which expression has a value of 3?
(1)x=y (2)x-y (3)xy (4)y-x

5. If a=1 and b=-2, find the value of (a+b)2.
Problem 4
If a=1 and b=-2, find the value of (a+b)2.

6. Using the formula V=x 2h, find V when x=6 and h=2
Problem 5
Using the formula V=x 2h, find V when x=6 and h=2

7. Evaluate the expression (6a)2b if a=2 and b=-1
Problem 6
Evaluate the expression (6a)2b if a=2 and b=-1

8. Find the value of 3a-4b if a=-2 and b=1.
Problem 7
Find the value of 3a-4b if a=-2 and b=1.

9. Find the value of (x2-5x+4) if x=7.
Problem 8
Find the value of (x2-5x+4) if x=7.

10. Evaluate 5a2-b if a=-2 and b=3.
Problem 9
Evaluate 5a2-b if a=-2 and b=3.

11. Find the value of the expression 3x3 when x=-2
Problem 10
Find the value of the expression 3x3 when x=-2

12. What is the value of R2S if R=5 and S=-2.
Problem 11
What is the value of R2S if R=5 and S=-2.

13. Evaluate the expression 3x2 +y if x=1 and y=-3.
Problem 12
Evaluate the expression 3x2 +y if x=1 and y=-3.

14. Find the value of the expression 2xy3 if x=3 and y=-2
Problem 13
Find the value of the expression 2xy3 if x=3 and y=-2

15. Problem 14
Find the value of 5x2 if
x=-3.

16. If x=-3 and y=2, find the value of (xy)2.
Problem 15
If x=-3 and y=2, find the value of (xy)2.

17. Evaluate the expression 3x2+y if x=1 and y=-3.
Problem 16
Evaluate the expression 3x2+y if x=1 and y=-3.

18. If x=3 and y=-2, find the value of 4xy2.
Problem 17
If x=3 and y=-2, find the value of 4xy2.

19. Find the value of 3(ab)2 if a=2 and b=-1.
Problem 18
Find the value of 3(ab)2 if a=2 and b=-1.

20. Find the value of 2x2y if x=3 and y=-1.
Problem 19
Find the value of 2x2y if x=3 and y=-1.

21. Find the value of a2-b if a=3 and b=-4.
Problem 20
Find the value of a2-b if a=3 and b=-4.