Basic Mathematical Expressions

What is the sum of 14 and x?

• x - 14
• 14(x)
• 14 + x
• 14/x

What is the quotient of sixteen and a number?

• n ÷ 6
• 6 ÷ n
• n ÷ 16
• 16 ÷ n

What is a number decreased by seventeen?

• n + 17
• n - 17
• 17 + n
• 17 - n

u decreased by 17

• 17 - u
• u - 17
• u + 17
• u ÷ 17

Which of the following expressions contains a variable?

• 7+3

• 144÷12

• 7 + 15n

• 6(5)

Which expression shows the sum of 12 and x?

• 12x

• 12-x

• 12+x

Which phrase describes this expression 16-y

• The quotient of 16 and y

• y added to 16

• the product of 16 and y

• y less than 16

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

How many terms are in the expression
3x + 2y + z

• 5
• 2
• 4
• 3

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x