Evaluating Algebraic Expressions

If a = 2 find:

a + 3

• 5

• 6

• 23

• 1

If a = 4 find:

2a + 3

• 27

• 9

• 11

• 14

If a = 2 and b = 4 find:

a + b

• 8

• 6

• 2

• 4

If a = 2 and b = 4 find:

2a + 3b

• 7

• 56

• 16

• 11

If a = 2 and b = -2 find:

a + b

• 4

• -4

• 0

• 2

If a = 2 and b = -3 find:

2a + 3b

• 10

• -2

• 2

• 22

If a = 2 and b = -3 find:

4a - 2b

• 14

• 2

• -2

• -14

If a = 2, b = 1 and c = 5 find:

a + b + c

• 7

• 9

• 10

• 8

If a = -2 , b = 4 and c = 3 find:

2a + 3b - c

• 11

• 13

• 5

• 10

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7