1.
Factor
x
2
+ 5
x
+ 6.
A.
prime
B.
(
x
+ 1)(
x
+ 6)
C.
(
x
+ 1)(
x
+ 5)
D.
(
x
+ 2)(
x
+ 3)
Hint
2.
Factor
x
2
– 16.
A.
(
x
– 4)(
x
– 4)
B.
(
x
+ 2)(
x
– 8)
C.
(
x
+ 4)(
x
– 4)
D.
(
x
+ 4)(
x
+ 4)
Hint
3.
Use the quadratic formula to solve 2
x
2
+ 7
x
+ 4 = 0. Approximate the solutions to the nearest hundredth.
A.
1.28, 3.66
B.
-5.56, -1.44
C.
-2.78, -0.72
D.
-3.35, -0.15
Hint
4.
Solve 2
z
2
+
z
- 4 = 0 by completing the square.
A.
B.
-2, 1
C.
D.
Hint
5.
Find the correct equation for the flowchart.
A.
B.
C.
D.
Hint
6.
Backtrack to find the input for the flowchart.
A.
t
= 2
B.
t
= 1
C.
t
= 3
D.
t
= 4
Hint
7.
Find the solutions of the equation.(
x
– 2)
2
– 1 = 3
A.
x
= –4 and
x
= –4
B.
x
= 4 and
x
= –4
C.
x
= 0 and
x
= –4
D.
x
= 0 and
x
= 4
Hint
8.
Find the quadratic equation with 0 solutions.
A.
x
2
+ 4
x
– 12 = 0
B.
x
2
– 2
x
– 3 = 0
C.
x
2
– 2
x
+ 5 = 0
D.
x
2
– 12
x
+ 36 = 0
Hint