Expressions and Equations Mid Chapter Review

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

A coefficient is __________.

• the variable
• a constant
• an exponent
• the number that comes before the variable

A constant term has ______.

• no variables

• no numbers

How many terms does this expression have?
3x + 5y - 17 - 2y + x

• 3
• -17
• 5
• 1

How many terms does this expression have?
-18y + 7yz - 4z

• -18
• 3
• 7
• -4

What is the coefficient here?
17u + 8

• 17
• 8
• 17u
• -8

Simplify: x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

Simplify: 4q + 4t + 3q + t

• 12tq

• 3q + 4t

• 7q + 5t

• Can't be simplified

Simplify: 10w + 3d + 3w + d

• 13w + 4d

• 17wd

• 13w + 3d

• Can't be simplified

Use the distributive property: 2(c - 8)

• 2c - 16

• 2c + 16

• 2c - 8

• c - 16