Combining Like Terms

In order to combine terms, they must have the same ____________ and the same ___________.

• variable, power

• coefficient, variable

• power, constant

• operation, power

Tags

CCSS.7.EE.A.1

Combine Like Terms: $8x\ -\ 2x$  

Answer explanation

8x and -2x have the same power and variable, which means we can combine them.
8x - 2x = 6x because we subtract the coefficients.

Tags

CCSS.7.EE.A.1

What is the coefficient of the following variable? $-y$  

• 1

• -1

• 0

• 1/2

Tags

CCSS.6.EE.A.2B

Write an equivalent expression by combining like terms: $m+m+m+m$  

•  $4m$  
  

•  $m^4$  

•  $m$  

•  $4$  
  

Tags

CCSS.6.EE.A.4

Combine Like Terms: $5a\ +\ 2b\ -\ 3a\ +4$  

• 8a + 2b + 4

• 2a + 2b + 4

• 4a + 4

• 10a + 4

Tags

CCSS.7.EE.A.1

Which expression is equivalent to: $2\left(4\ +\ 9w\right)$  

•  $8\ +\ 9w$  

•  $26w$  
  

•  $8\ +\ 18w$  

•  $26$  

Tags

CCSS.6.EE.A.4

Simplify:  $7y^2\ -5y\ +\ 9y\ -\ 5y^2$  

•  $6y^{2\ }$  

•  $2y^{2\ }+\ 4y\$  

•  $12y^{2\ }+\ 14y$  

• Can't be simplified

 $4x^2+9x\ +\ 10\ +\ 3x^{2\ }+\ 7x\ +\ 2$ 

•  $23x^2\ +\ 12$  

•  $35x^2$  

•  $7x^2\ +\ 16x\ +\ 12$  

•  $23x\ +\ 12$  
  

Tags

CCSS.HSA.APR.A.1

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Tags

CCSS.6.EE.A.2B

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Tags

CCSS.7.EE.A.1