Expression Review

If y=7,find the value of 2(y+4)

• 11
• 22
• 20

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
y + x – z     

• -5
• -3
• 3
• 5

If a = 4, b = 5 and c = 6, find 2c-a-b

• 4
• 3
• 6
• 5

What is the value of -2v + 2h - 8s if v = 9, h = 7, and s = -6?

• 44
• -44
• 54
• -54

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40
• 42
• 44
• 46

• -176

• 176

• 225

• 167

Work out the value of the expression when a = 3, b = 4 and c = 5.

• 3
• 1   1/3
• 4
• 1/3

Evaluate 7y - 3y for y=2

• 20

• 73

• 8

• 4

 $Evaluate\ m-n-n,\ if\ m=4\ and\ n=1$  

• 8

• 2

• 4

• 1