Evaluating Algebraic Expressions

b² + 4
when b = 3

• 10
• 12
• 13
• 11

6a - 3d
when a = 1, d = 2

• 3
• 12
• 1
• 0

3(2x + z) when x=8 and z=2

• 12
• 30
• 54
• 60

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

Evaluate x² when x = -2

• 4

• -4

• 2

• -2

2x + 5(y - 1) when x=8 and y=5

• 20
• 31
• 36
• -4

b² + 4
when b = 3

• 10
• 12
• 13
• 11

2x + 3 + x²; for x = 4

• 17
• 27
• 19
• 25

Evaluate the expression when x = 3. 
2x² - 5

• 31
• 12
• 7
• 13

What is the first step in solving this problem:
12 ÷ 6 (3) + 8

• multiplication
• addition
• division
• subtraction