1.
Which value of
c
makes the trinomial
x
2
+ 16
x
+
c
a perfect square?
A.
64
B.
32
C.
256
D.
128
Hint
2.
Solve
x
2
+ 3
x
- 10 = 0 by completing the square.
A.
2, 5
B.
5
C.
-5, 2
D.
2
Hint
3.
Solve 4
x
2
- 8
x
+ 3 = 0 by completing the square.
A.
B.
C.
1, 3
D.
, 3
Hint
4.
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.
square
b
and add to original
C.
find one fourth of
b
and add to original
D.
find one half of
b
, square this result, and add to original
Hint
5.
Solve 2
x
2
- 7
x
+ 5 = 0 by completing the square.
A.
B.
4, 10
C.
D.
Hint