Writing Algebraic expressions

In the expression below the "4" is which part of the expression?

7x + 4

• variable

• constant

• coefficient

• operation

Which word indicates multiplication?

• difference
• product
• quotient
• sum

The "x" in the expression 4x - 8 is which of the following?

• constant
• variable
• coefficient
• operation

In the expression below the "8" is which part of the expression?

7x - 8

• variable

• coefficient

• constant

• none of these

In the expression below the "9" is which part of the expression?

y + 9

• coefficient

• constant

• variable

• operation

Sarah has some money in the bank, then she earned $12 more. Define a variable and write an expression for how much money she has in total.

• b = bank
  b + 12
• m = money
  m + 12
• m= amount of money she has in the bank
  m + 12
• m = amount of money she earned
  m + 12

Identify the constant in the expression
4y + 2 + x

• x
• y
• 4y
• 2

Which choice is the correct algebraic translation of “the product of a number, k, and 74”?

• 74k

• 74/k

• 74 - k

• k + 74

Translate:
12 fewer pencils than the number of pencils, p, in my desk

• 12 - p
• p - 12

The product of 5 and x.

• 5 - x
• 5/x
• 5x
• x - 5