Numerical and Variable Expressions

Which expression represents
the product of 16 and a number, m?

• 16 + m

• 16m

• 16 - m

• 16/m

Four less than the sum of 7 and 3

• 4 - (7x3)

• (7+3) - 4

• (7x3) x 4

The sum of seven and x

• 7-x

• x-7

• 7x

• 7+x

Three times the sum of 2 and e. 

• 3e+2

• 3(e-2)

• 3(e+2)

• 2e+3

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

• coefficient

• algebraic expression

• variable

• term

Which expression represents: "the product of 3 and x increased by 5"? 

• 5x - 3

• 3 - 5x

• 3x + 5

• 3x(5)

The quotient of a number and 8

• 8g

• 8/g

• g+8

• g/8

11 less than a number

• 11 - n

• n - 11

• n/11

• 11/n

2 times the sum of 14 and 12

• 2 x 14 + 12

• 14 + 12 x 2

• 2 x (14 + 12)

• (14 + 12) x 2

Which of the following is an algebraic expression?

• 3 + 17 - k

• 3x - 45 = b

• 25 + 36

• 19 + 14 - 20