CHAPTERS 1–6 Cumulative Review Exercises^417
Solve each equation.
- 4.Solve for P:
5.Find the measures of the marked angles.Solve each problem.
6.At the 2006 Winter Olympics in Torino, Italy, the top
medal winner was Germany, which won a total of 29
medals. Germany won 1 more silver medal than gold and
5 more gold medals than bronze. Find the number of each
type of medal won. (Source:www.infoplease.com.)7.From a list of “technology-related items,” adults were recently surveyed as to those items
they couldn’t live without. Complete the results shown in the table if 500 adults were
surveyed.A=P+Prt.2
3
m-1
2
1 m- 42 = 33 x+ 21 x- 42 = 41 x- 22 0.3x+0.9x=0.06CUMULATIVE REVIEW EXERCISES
CHAPTERS 1– 6
(2x + 16)° (x + 23)°(Other items included digital cable, HDTV, and electronic gaming console.)
Source:Ipsos for AP.Percent That Couldn’t Number That Couldn’t
Item Live Without Live Without
Personal computer 46%
Cell phone 41%
High-speed Internet 190
MP3 player 608.Fill in each blank with positiveor negative.The point with coordinates is in
(a)quadrant II if ais and bis.
(b) quadrant III if ais and bis.
9.Consider the equation Find the following.
(a)The x- and y-intercepts (b)The slope (c)The graph
10.The points on the graph show the total re-
tail sales of prescription drugs in the
United States in the years 2001–2007, along
with a graph of a linear equation that mod-
els the data.
(a)Use the ordered pairs shown on the
graph to find the slope of the line to
the nearest whole number. Interpret
the slope.
(b) Use the graph to estimate sales in the
year 2005. Write your answer as an or-
dered pair of the form (year, sales in
billions of dollars).y= 12 x+3.1 a, b 2xy(^02001200320052007)
300
250
200
150
100
50
Year
Sales (billions of dollars)
Retail Prescription Drug Sales
(2001, 161)
(2007, 259)
Source: National Association of Chain
Drug Stores.
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