Simplifying expressions quiz 7th grade

n + 4n - 7n - 1

• 12n -1 
• 11n 
• -2n -1 
• 2n +1 

Tags

CCSS.7.EE.A.1

-3r + 7 - 3r - 12 

• -6r - 5 
• 0 + 5 
• 6r + 5 
• -6r -19 

Tags

CCSS.7.EE.A.1

2(x + 3x) + 3(4 + 6) 

• 2x +6x + 12 + 18 
• 8x + 30 
• 38x 
• 6x + 30 

Tags

CCSS.6.EE.A.3

10 ( x + 13) + 2(-2x + 4y) 

• 20 - x + 17y 
• 6x + 8y + 130 
• 130x + 0y 
• 10x +130 + -4x + 8y 

Tags

CCSS.6.EE.A.3

5x + 8y - 4x + 3y

• 12x
• 12y
• x + 11y
• 9x + 11y

Tags

CCSS.7.EE.A.1

Find the mistake in this problem: 3(x + 2) = 3x + 2.

• Should have added the 3 and the x.

• There is no mistake in this problem.

• Should have multiplied the 3 with the 2.

• Should have added the 3 and the 2.

Tags

CCSS.6.EE.A.3

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3

Tags

CCSS.7.EE.A.1

Simplify the expression:
  $6-2\left(7x-3\right)$  

• -14x

• -14x + 12

• 14x 

• 5x +1

Tags

CCSS.6.EE.A.3

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Tags

CCSS.6.EE.A.3

-(-x + 2) - 4x

• 2x
• -4x
• -5x + 2
• -3x  - 2

Tags

CCSS.6.EE.A.3