1.
Which value of
c
makes the trinomial
x
2
+ 16
x
+
c
a perfect square?
A.
256
B.
128
C.
64
D.
32
Hint
2.
Solve
x
2
+ 3
x
- 10 = 0 by completing the square.
A.
2
B.
-5, 2
C.
5
D.
2, 5
Hint
3.
Solve 4
x
2
- 8
x
+ 3 = 0 by completing the square.
A.
B.
1, 3
C.
, 3
D.
Hint
4.
Solve
x
2
- 2
x
+ 1 = 18 by using the Square Root Property.
A.
5 and –2
B.
and
C.
and
D.
-5 and 2
Hint
5.
What must be done to the quadratic expression
a
x
2
+
b
x
in order to complete the square?
A.
square
b
, then find one half of the result, and add to original.
B.
find one fourth of
b
and add to original
C.
square
b
and add to original
D.
find one half of
b
, square this result, and add to original
Hint