1.
Factor 4
y
2
– 3
y
– 1.
A.
prime
B.
(2
y
+ 1)(2
y
– 1)
C.
(4
y
– 1)(
y
+ 1)
D.
(4
y
+ 1)(
y
– 1)
Hint
2.
Factor 5
x
2
+ 13
x
– 6.
A.
(5
x
– 2)(
x
+ 3)
B.
not factorable
C.
(5
x
+ 2)(
x
– 3)
D.
(5
x
+ 3)(
x
– 2)
Hint
3.
Factor 4
x
2
– 14
x
– 8.
A.
(2
x
+ 1)(
x
– 4)
B.
2(2
x
+ 1)(
x
– 4)
C.
2(2
x
+ 1)(
x
– 2)
D.
(2
x
+ 1)(
x
– 2)
Hint
4.
Factor 3
x
2
– 8
x
+ 3.
A.
(3
x
– 5)(
x
– 1)
B.
(
x
– 1)(3
x
– 3)
C.
(3
x
– 1)(
x
– 3)
D.
not factorable
Hint
5.
Solve 6
x
2
+ 3
x
– 12 = 2 – 2
x
.
A.
{–1.77, 0.94}
B.
{–1.61, 1.45}
C.
D.
Hint