1.
Find the value of
c
that makes
x
2
+ 16
x
+
c
a perfect square.
A.
16
B.
64
C.
8
D.
-64
Hint
2.
Find the value of
b
that makes
x
2
+
bx
+ 36 a perfect square.
A.
12
B.
324
C.
-12, 12
D.
6
Hint
3.
Solve
a
2
-
a
- 20 = 0 by completing the square.
A.
-4, 5
B.
C.
D.
-5, 4
Hint
4.
Solve
x
2
– 8
x
+ 16 = 13 by taking the square root of each side.
A.
2
B.
-4
C.
4
D.
-2
Hint
5.
Solve
x
2
– 12
x
+ 34 = 0 by taking the square root of each side.
A.
B.
{6}
C.
{5, 7}
D.
Hint