1.
Find the value of
c
that makes
x
2
+ 16
x
+
c
a perfect square.
A.
8
B.
16
C.
64
D.
-64
Hint
2.
Find the value of
b
that makes
x
2
+
bx
+ 36 a perfect square.
A.
-12, 12
B.
324
C.
12
D.
6
Hint
3.
Solve 2
z
2
+
z
- 4 = 0 by completing the square.
A.
-2, 1
B.
C.
D.
Hint
4.
Solve
x
2
– 12
x
+ 34 = 0 by taking the square root of each side.
A.
{6}
B.
{5, 7}
C.
D.
Hint
5.
Solve
x
2
– 16
x
– 17 = 0 by completing the square.
A.
{1, 13}
B.
{1, 17}
C.
{–1, 17}
D.
{–1, 13}
Hint