1.
Factor
x
2
-
y
4
A.
(
x
-
y
2
)(
x
+
y
2
)
B.
(
x
+
y
)(
x
–
y
)
C.
(
x
+
y
2
)(
x
+
y
)(
x
–
y
)
D.
(
x
-
y
2
)(
x
-
y
2
)
Hint
2.
Determine whether the trinomial 9
x
2
– 60
x
+ 25 is a perfect square trinomial. If so, factor it.
A.
(3
x
– 5)(3
x
+ 5)
B.
It is prime.
C.
(3
x
+ 5)(3
x
+ 5)
D.
(3
x
– 5)(3
x
– 5)
Hint
3.
Solve the equation
x
2
–
x
+
= 0.
A.
B.
C.
D.
Hint
4.
Solve the following: (
q
+ 2)
2
= 25.
A.
{–7, 3}
B.
{3}
C.
{–3, 3}
D.
{–7}
Hint
5.
Solve the following:
y
2
+ 6
y
+ 9 = 49.
A.
{7}
B.
{10, –4}
C.
{7, –7}
D.
{–10, 4}
Hint