1. Splash Screen

2. Main Idea and Vocabulary Example 1: Evaluate an Algebraic Expression
Example 2: Evaluate Expressions
Example 3: Evaluate Expressions
Example 4: Real-World Example
Lesson Menu

3. Evaluate simple algebraic expressions.
variable
algebra
algebraic expression
coefficient
Main Idea/Vocabulary

4. Evaluate an Algebraic Expression
Evaluate t – 4 if t = 6.
t – 4 = 6 – 4 Replace t with 6.
= 2 Subtract.
Answer: 2
Example 1

5. Evaluate 7 + m if m = 4.
A. 3
B. 7
C. 11
D. 28
Example 1

6. Evaluate 5x + 3y if x = 7 and y = 9.
Evaluate Expressions
Evaluate 5x + 3y if x = 7 and y = 9.
5x + 3y = 5(7) + 3(9) Replace x with 7 and y with 9.
= Do all multiplications first.
= 62 Add 35 and 27.
Answer: 62
Example 2

7. Evaluate 4a – 2b if a = 9 and b = 6.
C. 24
D. 72
Example 2

8. Evaluate Expressions Evaluate 5 + a2 if a = 5.
5 + a2 = Replace a with 5.
= Evaluate the power.
= 30 Add.
Answer: 30
Example 3

9. Evaluate 24 – s2 if s = 3.
A. 15
B. 18
C. 164
D. 441
Example 3

10. Example 4

11. Replace F with 99. Subtract 32 from 99. Multiply 5 and 67.
Divide 335 by 9.
Answer: about 37.2°C
Example 4

12. BOWLING David is going bowling with a group of friends
BOWLING David is going bowling with a group of friends. His cost for bowling can be described by the formula g, where g is the number of games David bowls. Find the total cost of bowling if David bowls 3 games.
A. $4.25
B. $7.75
C. $9.25
D. $12.75
Example 4

13. End of the Lesson