Identifying & combining like terms

Which of these are like terms in the following expression:

3x + 9x + 2x²

• 7, 24y

• 3x, 9x

• 3x, -9x

• 3x, -9x, 2x²

True or False:
4x and x are like terms.

• True 
• False

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.4

True or False:
4 and 14 are like terms.

• True 
• False

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Simplify the following expression by combining like terms:

2x + 11 + 6x

• 8x+11

• 4x +11

• 4x

• 15x

Simplify the following expression by combining like terms:

30y+23-15

• 12

• 30y + 8

• 30 + 23 - 15

• 53y - 15

What is/are the coefficient(s) of the following expression:

2x + 9 + 7x

• 2, 9, 7

• 2, 7

• 2x, 7x

• 9

How many terms are in the following expression?
8n + 2 - 7x

• 1
• 2
• 3
• 4

Tags

CCSS.6.EE.A.2B

A letter or symbol that represents an unknown number is __________________.

• Equation

• Expression

• Variable

• Coefficient

The number that is multiplied with the variable is known as the __________________________ .

• Equation

• Expression

• Variable

• Coefficient