CPM Homework Help : MC1 Problem 4-122

. Use a variable expression to represent each sequence of lengths shown below. Homework Help ✎

Hint (a):

Think of this as being a tightrope for Cecil to cross. How would you describe his path using this picture?

Answer (a):

2x + 1 or x + 1 + x

Hint (b):

This problem is very similar to part (a).
If the lengths labeled ''m'' were instead labeled as ''1'', how would you write the expression?

Answer (b):

3m + 5 or m + m + m + 5

Hint (c):

Use parts (a) and (b) as guides if you are having trouble.
Remember that the variable represents a number, so you
can use it in an expression just as you would a number.