Simplifying Expressions

In the expression below, the w is known as the _________________________

3w

• coefficient

• variable

• constant term

In the expression below, the 3 is known as the _________________________

3y

• coefficient

• variable

• constant term

What is the simplified form of this expression
3x+4+5x+3

• 15x
• 8x+7
• 7x+8

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

w + w + w could be simplified as?

• 3w
• 3
• w
• 0

3 - 2a + 3a + 5a

• 5a+3
• 5a-3
• 6a + 3
• 8a+3

Simplify the expression

2a + 3a + 5a – 4a – 2a

• 16a

• 8a

• 7a

• 4a