1.
Find the value of
c
that makes
x
2
+ 16
x
+
c
a perfect square.
A.
8
B.
64
C.
16
D.
-64
Hint
2.
Solve
a
2
-
a
- 20 = 0 by completing the square.
A.
B.
-5, 4
C.
-4, 5
D.
Hint
3.
Find the solutions of the equation.(
x
– 2)
2
– 1 = 3
A.
x
= 4 and
x
= –4
B.
x
= –4 and
x
= –4
C.
x
= 0 and
x
= 4
D.
x
= 0 and
x
= –4
Hint
4.
Identify the perfect square trinomial.
A.
x
2
– 7
x
+ 12
B.
4
x
2
+ 6
x
+ 2
C.
25
x
2
+ 10
x
+ 1
D.
x
2
– 16
Hint
5.
Rewrite the expression as a square with a constant added or subtracted.
x
2
– 6
x
– 15
A.
(
x
– 3)
2
+ 9
B.
(
x
– 3)
2
– 9
C.
(
x
– 3)
2
– 15
D.
(
x
– 3)
2
– 24
Hint