1.
Solve
x
2
+ 3
x
- 10 = 0 by completing the square.
A.
-5, 2
B.
2
C.
5
D.
2, 5
Hint
2.
Solve
x
2
- 4
x
+ 1 = 0 by completing the square.
A.
B.
C.
1
D.
2
Hint
3.
Solve
x
2
- 6
x
+ 10 = 0 by completing the square.
A.
3 ±
i
B.
1 ±
i
C.
2, 4
D.
-3 ±
i
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.
find one fourth of
b
and add to original
C.
find one half of
b
, square this result, and add to original
D.
square
b
and add to original
Hint
5.
Solve 2
x
2
- 7
x
+ 5 = 0 by completing the square.
A.
B.
C.
D.
4, 10
Hint