Page 327 - Algebra 1

*10. Pet Care The table shows a feeding chart on the bag of a certain brand of cat food. (49)
a. Write an equation in slope-intercept form.
b. Write The three points in the table show that this is a linear equation. Do you
think this relationship would be a linear equation? Explain.
11. Find the mean, median, and mode of the set of data below.
(48) number of pockets in 8 pairs of pants: 4, 2, 0, 4, 5, 4, 2, 3
12. Error Analysis Two students studied the table of data. (48) Student A says that the median lowest temperature per
month for San Diego, California, is 38.5°F. Student B says that the median is 52.5°F. Which student is correct? Explain the error.
*13. Probability Hari surveyed the first 15 students who came to (48) class about the number of pets they owned. According to the
data he collected, is the next person he surveys likely to have more than 4 pets? Explain.
2, 1, 3, 1, 1, 0, 2, 2, 3, 7, 0, 4, 2, 1, 1
Maximum Weight of Cat
Amount of Food Per Day
6 lb
_3 cup 4
9 lb
1_1 cups 4
12 lb
1_3 cups 4
Lowest Recorded Temperature in San Diego (in °F)
July 2006
68
Jan 2007
35
Aug 2006
63
Feb 2007
45
Sep 2006
61
Mar 2007
45
Oct 2006
55
Apr 2007
50
Nov 2006
42
May 2007
55
Dec 2006
42
Jun 2007
58
14. Simplify 2x2 - x . (43)
_2
x -12x
15. Find 22% of 80 using a proportion. (42)
16. Estimate Approximate the slope of the line shown in the graph. (41)
17. Travel Quick Cab charges a $5 fee for a ride, plus $0.15 for every block. (28) Speedy Cab charges $7 for a ride, but only $0.05 every block. For what
number of blocks is the cost of travel the same?
18. A deck of cards contains 15 cards, five of each number 1, 2, and 3. What
(33) are the odds of getting a 1? What are the odds against getting a 3?
19. Write a recursive formula for the arithmetic sequence with a1 = -3 and common
(34) difference d = 9. Then find the first four terms of the sequence. 20. Multi-Step Use the similar triangles shown.
(36) a. What angle corresponds with ∠M ? b. Find m∠Q.
c. What is the scale factor of the triangles? d. Use the scale factor to find the value of x.
R
4
Q x S P
y
x
312 Saxon Algebra 1
N
6
M
10
110°