1.
Factor
x
2
+ 5
x
+ 6.
A.
(
x
+ 1)(
x
+ 5)
B.
(
x
+ 2)(
x
+ 3)
C.
(
x
+ 1)(
x
+ 6)
D.
prime
Hint
2.
Which of the following trinomials is a perfect square trinomial?
A.
4
y
2
+ 10
y
+ 25
B.
9
a
2
- 12
a
+ 4
C.
r
2
- 6
r
+ 36
D.
x
2
+ 16
x
+ 16
Hint
3.
Use the quadratic formula to solve 6
x
2
-
x
- 1 = 0.
A.
B.
C.
D.
Hint
4.
Use the quadratic formula to solve 2
x
2
+ 7
x
+ 4 = 0. Approximate the solutions to the nearest hundredth.
A.
-5.56, -1.44
B.
-2.78, -0.72
C.
1.28, 3.66
D.
-3.35, -0.15
Hint
5.
Solve
a
2
-
a
- 20 = 0 by completing the square.
A.
-4, 5
B.
C.
-5, 4
D.
Hint
6.
Solve 2
z
2
+
z
- 4 = 0 by completing the square.
A.
B.
C.
-2, 1
D.
Hint
7.
Find the correct equation for the flowchart.
A.
B.
C.
D.
Hint
8.
Give the approximate solution of this equation.5 + (2
c
– 3)
2
= 5
A.
c
= –1.5 and
c
= –1.5
B.
c
= –1.5
C.
c
= 1.5
D.
c
= 1.5 and
c
= –1.5
Hint