Combining Like Terms (addition & subtraction)

Is the following equation true or false?

a = 1a

• True

• False

Is the following equation true or false?

 $x\ +\ x\ +\ x\ =\ x^3$  

• True

• False

Choose the like terms:

 $5c\ +\ 7c^2\ -\ 3c\ +\ 7c^3$  

•  $5c$  

•  $7c^2$  

•  $3c$  
  

•  $7c^3$  

Are the following terms like or unlike?

 $4p^{3\ }and\ 8p^3$  

• Like

• Unlike

Is the following statement true or false?

Numbers own the sign in front of them.

• True

• False

Is the following statement is true or false?

If there is no sign in front of a number, it is automatically a - sign.

• True

• False

Simplify the expression: 3y + 2y - 12y

• 7y

• -17y

• -7y

• 17y

Simplify the expression: -7x + (-7x) + 14x

• Zero

• 28x

• 14x

• x

Simplify the following expression: 15 - 5c - 5 + 6c

• 20 + 11c

• 10 - c

• 20 - 11c

• 10 + c

Simplify the following expression:

 $11\ +\ 7s\ -\ 3s\ +\ 11s^2$  

•  $11\ +\ 10s\ +\ 11s^2$  

•  $11\ +\ 4s\ +\ 11s^2$  

•  $11\ +\ 15s^2$  

•  $11\ +\ 15s$