1.
Which value of
c
makes the trinomial
x
2
+ 16
x
+
c
a perfect square?
A.
32
B.
64
C.
256
D.
128
Hint
2.
Solve
x
2
+ 3
x
- 10 = 0 by completing the square.
A.
-5, 2
B.
5
C.
2
D.
2, 5
Hint
3.
Solve 4
x
2
- 8
x
+ 3 = 0 by completing the square.
A.
B.
, 3
C.
1, 3
D.
Hint
4.
Solve
x
2
- 4
x
+ 1 = 0 by completing the square.
A.
B.
C.
2
D.
1
Hint
5.
Solve
x
2
- 6
x
+ 10 = 0 by completing the square.
A.
1 ±
i
B.
-3 ±
i
C.
2, 4
D.
3 ±
i
Hint