48 Expressions and Patterns- GRAPHIC NOVEL Refer to the graphic novel frame below for parts a–c.
a. Explain how the number of text messages Dario sent and the cost
form an arithmetic sequence.
b. Write an expression to find Dario’s text messaging bill if he sends n
number of text messages over 250.
c. Use your expression from part b to find Dario’s text messaging bill
if n equals 25, 50, and 75.NUMBER SENSE Find the 100th number in each sequence.- 12, 24, 36, 48, ... 29. 14, 28, 42, 56, ...
- 0.25, 0.5, 0.75, 1, ... 31. 0.2, 0.4, 0.6, 0.8, ...
- 0, 50, 100, 150, ... 33. 0, 75, 150, 225, ...
- MATH IN THE MEDIA The Fibonacci sequence is a well-known sequence in
mathematics. Use the Internet or another source to find information
about the Fibonacci sequence. List the first 10 terms in the sequence and
explain its pattern.
3535 GEOMETRY Refer to the figures for parts a and b. The pattern below was
formed using rectangles.Figure 1 Figure 2 Figure 3
a. Describe the relationship between the figures and the number of
rectangles shown.
b. If the pattern continues, how many rectangles will be in the next
2 figures?Remember my
texting fiasco?
How can I know
what my bill will
be each month?044_050_C1_L2_895130.indd 48 12/29/09 12:22 PM