In this worksheet, we will practice evaluating simple and rational algebraic expressions with one or multiple variables and applying this to real-world problems.

**Q2: **

Evaluate if .

**Q3: **

Given that , determine the value of .

**Q4: **

Evaluate for and .

**Q5: **

Evaluate for and .

**Q6: **

Evaluate for , , and .

**Q7: **

Evaluate for , , and .

**Q8: **

Evaluate if .

**Q10: **

If , what is the value of ?

**Q11: **

Evaluate , given that and .

**Q12: **

Given that and , evaluate the expression .

**Q14: **

Find the value of , given , , and .

- A 0
- B
- C
- D

**Q15: **

Given that and , evaluate .

- A 12
- B
- C
- D

**Q16: **

Evaluate , given that .

**Q17: **

A square has a side length of cm. Write an expression for its area and evaluate its area when and .

- A
cm
^{2}, 22 cm^{2} - B
cm
^{2}, 121 cm^{2} - C
cm
^{2}, 11 cm^{2} - D
cm
^{2}, 121 cm^{2}

**Q18: **

Evaluate given that , , and .

**Q19: **

Evaluate if , , and .

**Q20: **

Given that , find .

**Q21: **

Evaluate for , , , and .

- A
- B
- C
- D
- E

**Q22: **

Evaluate for , , and .

**Q23: **

Evaluate if , , and .

**Q24: **

Evaluate if , , and .

**Q25: **

Evaluate the expression if and .

- A
- B
- C
- D
- E