Evaluating Expressions Laura Moherek

What is 4x if x=5?

• 20

• 16

• 9

• 45

What is 3x+(5+y) if x=2 and y=7?

• 18

• 28

• 8

• 3

What is 6+x when x=53?

• 59

• 50

• 47

• 90642

What is 34x-u+16y when x=2 u=14 and y=3?

• 102

• 43

• 2

• 107

Find the value of the expression.

• -12

• 12

• 14

• -14

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Evaluate expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59

Write a linear expression for the perimeter of the figure. Then find the perimeter of the figure if x = 3.

• 6x − 8; 10 yd

• 10x − 6; 24 yd

• 16x − 8; 40 yd

• 14x − 8; 34 yd

Solve! (When x=8)

• 0

• No possible solution

• -4

• 8

What is  x-14(5+y) when x=13 and y=14

• -19

• 19

• Impossible 

• 16