Simplifying with Distributing and Combining Per 8

Simplify the following variable expression by combining like terms:

 $3x\ -\ x\ +\ 5x$  

•  $-3x$  

•  $3x$  

•  $7x$  

• none of the above

Tags

CCSS.7.EE.A.1

Use the distributive property to simplify the expression:

 $5\left(2x\ -\ 3\right)$  

•  $7x\ -\ 15$  

•  $10x\ -\ 3$  

•  $x^{10}\ -\ 15$  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following variable expression by combining like terms:

 $5x\ -\ 4\ +\ 2x$  

•  $3x\ -\ 4$  
  

•  $7x\ -\ 4$  
  

•  $3x\ +\ 4$  
  

• none of the above

Tags

CCSS.7.EE.A.1

Use the distributive property to simplify the expression:

 $-3\left(x\ -\ 7\right)$  

•  $-3x\ +\ 21$  

•  $-3x\ -\ 21$  
  

•  $-3x\ +\ 10$  
  

• none of the above

Tags

CCSS.6.EE.A.3

What is the difference (if any) between the sum of

 $x$ and $x$  and the product of  $x$ and $x$  ?

•  $x\ +\ x\ =\ 2x,$ while $x\ \cdot\ x\ =\ x^2.$  

•  $x\ +\ x\ =\ x^2,$ while $x\ \cdot\ x\ =\ 2x.$  

• Both  $x\ +\ x$ and $x\ \cdot\ x$ equal $2x.$  

• Both  $x\ +\ x$ and $x\ \cdot\ x$ equal $x^2.$  

Tags

CCSS.6.EE.A.2A

Which of the following expressions has the largest value when $x\ =\ 5?$  

•  $-4x\ +\ x\ +\ 2x$  

•  $4x\ -\ x\ +\ 2x$  

•  $4x\ +\ x\ -\ 2x$  

•  $4x\ -\ x\ -\ 2x$  

Tags

CCSS.6.EE.A.2C

Simplify the following variable expression completely:

 $5\left(x\ +\ 3\right)\ +\ 7\left(2\ -\ x\right)$  

•  $-2x\ +\ 29$  

•  $-2x\ +\ 1$  

•  $12x\ +\ 1$  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following variable expression completely:

 $8\left(x\ +\ 3\right)\ -\ 2\left(2x\ -\ 1\right)$  

•  $4x\ +\ 22$  

•  $4x\ +\ 26$  

•  $12x\ +\ 22$  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following variable expression completely:

 $-3\left(1\ +\ 2x\right)\ -\ 2\left(x\ -\ 5\right)$  

•  $7\ -\ 8x$  

•  $-8x\ -\ 13$  

•  $4x\ +\ 7$  
  

• none of the above

Tags

CCSS.6.EE.A.3

Simplify the following variable expression completely:

 $5\left(2x\ -\ 1\right)\ +\ 3\left(x\ -\ 5\right)\ +\ 2\left(10\ -\ x\right)$  

•  $10x\ -\ 40$  

•  $11x\ -\ 40$  

•  $11x$  

• none of the above

Tags

CCSS.6.EE.A.3