Translating, Evaluating, Adding and Subtracting Polynomials

The sum of a number and five

• x + 5

• x - 5

• 5x

Evaluate -2x  if     x = 10

• -8

• 20

• -20

The difference of two and a number

•  $x\ -\ 2$  

•  $2\ -\ x$  

What is 4x if x=5?

• 9

• 16

• 20

• 45

Combine like terms to simplify:

(5x + 2) + (4x - 5)

• 9x -3

• -9x-7

• 9x+7

• x+7

A number squared plus nine

• $x+9$

• $x^2+9$

• $2x+9$

Add or Subtract to Simplify:

(4x²+ x) - (x² -2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20

• 24

• 44

• 4

If p = -6, what does p + 4 equal?

• 10

• -2

• -24

• -3

Add the polynomials.
(2x + 5y) + (3x - 2y)

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy