1.
Which value of
c
makes the trinomial
x
2
+ 16
x
+
c
a perfect square?
A.
64
B.
256
C.
32
D.
128
Hint
2.
Solve
x
2
- 4
x
+ 1 = 0 by completing the square.
A.
2
B.
C.
D.
1
Hint
3.
Solve
x
2
- 2
x
+ 1 = 18 by using the Square Root Property.
A.
and
B.
5 and –2
C.
-5 and 2
D.
and
Hint
4.
What must be done to the quadratic expression
a
x
2
+
b
x
in order to complete the square?
A.
find one half of
b
, square this result, and add to original
B.
square
b
, then find one half of the result, and add to original.
C.
find one fourth of
b
and add to original
D.
square
b
and add to original
Hint
5.
Solve
x
2
+ 2
x
+ 3 = 0 by completing the square.
A.
B.
C.
D.
Hint