in: a +
Chapter 6: Sequences and Series
6.1 Arithmetic Sequences
1. What re the ext3|etters in each seuence?
3- . _ - c.ABCBDBEBF.3(.:
b. 1.3.9.27,
x 3 tel-1w. taxi lam) 8i) 2+ 3. 72}
C. 5.10.15.20. d. 2.5.8.11,. Ma ,'
\A/v V )j I20
+3 *313
3. Which o
Chapter 7
7.1 Systems of Equations
1. Draw a linear-uadratic s stem that has:
3
n
.m
t
m
o
s
2
a
b. 1 solution
a. No solution
2. Draw a uadratiouadratic s stem that has:
a. No solution
c. 2 solutions
b. 1 solution 4. Solve b substitution:
0-? Z /'x 45
Chapter 7 Review - Key
1. Solve algebraically & graphically; . , , : E .
Zx-\ = Vent
O=-Xz-Zx"
E
o: (xtm
5(25 , X=-\
nal-u
3:5.
2
= x 4
2. What value of b will make the system of equations y have:
y = 2365
E, One solution? X:\ (tnch .
a No solution? X