Page 275 - Algebra 1

Music ThetableshowsthenumberoftimesIlianakickedherbassdrum during each measure in a song.
Measure
1
2
3
4
Drum Kicks
4
8
12
16
g. Use the table or graph to find the
18 16 14 12 10
8 (Ex 5) slope of the line. 6
h. What does the rate of change mean
(Ex 5)
4
2
0
1 2 3 4 5
Measure
in this problem?
Practice
Distributed and Integrated
Solve each equation. Check your answer. 1. -2(b+5)=-6
(26)
3. _5 = 2m + _3 (26) 8 8
Find the slope of the line. *4. line a
(41)
*6. line c (41)
8. Write 110,400 in scientific notation. (37)
2. 4(y+1)=-8 (26)
*5. line b (41)
*7. line d (41)
*9. Multiple Choice Which of the following expressions is the GCF of (38) 45a3b4c2 + 30a2bc3?
A 15a2bc2 B 5a2bc2 C 3a3b4c3 D 15a3b4c3
10. Verify Is 2x(5x3 + 6x2 -3x) completely factored? Explain why or why not. If no,
(38)
*11.
(41)
factor the polynomial completely.
Finances The graph shows the amount of money Siobhan has in her bank account over time. What is the rate of change in her balance over time?
1800
1600
1400
1200
1000
800
600
400
200
01234567
Time (yr)
*12. Analyze At some point on Mindy’s mountain climbing trip, a graph relating her (41) distance up the mountain over her climbing time shows a line with a negative
slope. Why might this be?
260 Saxon Algebra 1
y
line a
line
line
d
c
x
line b
Balance
Drum Kicks