1.
Which graph represents the solution to
x
+ 4 > -2?
A.
B.
C.
D.
Hint
2.
Solve
.
A.
B.
C.
D.
Hint
3.
Use elimination to solve the system of equations.
-
x
+ 2
y
= 18
x
+ 8
y
= -38
A.
B.
(-5, -1)
C.
(-22, -2)
D.
Hint
4.
Use elimination to solve the system of equations shown below.
2
x
- 4
y
= -5
3
x
+ 4
y
= -15
A.
B.
C.
D.
Hint
5.
Find a solution to the equation using backtracking.
A.
c
= –1
B.
c
= –14
C.
c
= 2
D.
c
= 8
Hint
6.
Find a solution to the equation by doing the same thing to both sides.
8
p
+ 14 = 2
p
– 22
A.
p
= 1
B.
p
= –6
C.
p
= –1
D.
p
= 6
Hint
7.
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
x
(
x
– 7) = 36
A.
x
= 11.00,
x
= –2.01
B.
x
= 10.45,
x
= –3.45
C.
x
= –15.96,
x
= –1.15
D.
x
= 3.26,
x
= 6.31
Hint
8.
How many solutions can a graph of
y
=
a
x
2
+
b
x
+
c
have?
A.
one
B.
all answers are correct
C.
two
D.
zero
Hint