check markLesson 2-5, Check Skills You'll Need

(For help, go to Lesson 1-1)

Choose the best variable expression for each situation.

  1. value in cents of q quarters
    1. 25q
    2. 25 cents
    3. 25 + q
    4. 25 bullet 1/4 q
  2. twice the length l
    1. 2 + l
    2. 2l + 2
    3. 2l
    4. twice l
  3. number of miles traveled at 34 mi/h in h hours
    1. 34 bullet 60 h
    2. 34h
    3. 5280 bullet 34 h
    4. 34 + h
  4. weight of 5 crates if each crate weighs x kilograms
    1. 5 bullet 1000x
    2. 5x
    3. 5/x
    4. w + 5x
  5. cost of n items at $3.99 per item
    1. 3.99 + 3.99n
    2. 3.99 division sign n
    3. 3.99n
    4. $n + 3.99

Click the button to highlight the correct answers.

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