1.
Find the value of
b
that makes
x
2
+
bx
+ 36 a perfect square.
A.
12
B.
324
C.
-12, 12
D.
6
Hint
2.
Solve
x
2
- 4
x
+ 1 = 0 by completing the square.
A.
B.
C.
D.
1, 3
Hint
3.
Solve 2
z
2
+
z
- 4 = 0 by completing the square.
A.
B.
C.
-2, 1
D.
Hint
4.
Find the solutions of the equation.3(
x
+ 1)
2
– 4 = 23
A.
x
= 4 and
x
= –2
B.
x
= 2 and
x
= –2
C.
x
= 4 and
x
= –4
D.
x
= 2 and
x
= –4
Hint
5.
Identify the perfect square trinomial.
A.
4
x
2
+ 6
x
+ 2
B.
x
2
– 7
x
+ 12
C.
x
2
– 16
D.
25
x
2
+ 10
x
+ 1
Hint