Unit 1 Check-Up Quiz 1

Which of the following shows the statement 4 less than 12?

• 12 + 4

• 4 - 12

• 12 - 4

• 4 + 12

Which of the following shows double the sum of 8 and 4?

• $2\times8+\ 4$
  

• $2\left(8+4\right)$

• $2\times8-4$

• $2\left(8-4\right)$

A sixth degree polynomial with a leading coefficient of four has a linear term with coefficient of nine and a constant of negative twelve. Which expression could be the polynomial?

• $6x^4+9x-12$

• $4x^6-12x+4$

• $4x^6+9x-12$

• $-12x^4+6x+4$

 $5\left(6a-4\right)-(3-2a)$  

Which expression is equivalent to

•  $30a\ -\ 20$  

•  $28a\ -\ 23$  

•  $28a\ -\ 17$  

•  $32a\ -\ 23$  

•  $32a\ -\ 17$