Review test

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

A(n) __________________ consists of one or more numbers, variables, and operations. 

• numeric expression
• term
• variable
• algebraic expression

Which of the following is an example of an algebraic expression?

• 3(2 + 7) - 10
• 78 - 5 + 3
• 3x + 6y
• 8(3) - 5 + 2

Which of the following terms mean "addition"? 

• of
• how many
• total of
• shared

A ______________ is a number multiplied by a variable. 

• term
• variable
• coefficient
• numerical expression

Which of the following is equivalent to 5(a + 6)?

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

Which of the following is equivalent to 2(c - 8)?

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

Simplify the expression:
3(2h + 3c + 2)

• 6h + 9c + 2
• 6h + 9c + 6
• 2h + 3c + 6
• 5h + 6c + 5

Simplify the expression:
4(5b - 6f - c)

• 20b - 24f - 4c
• 9b - 10f - 4c
• 45b - 46f - 4c
• 20b + 24f + 4c