1.
Simplify
A.
B.
C.
D.
Hint
2.
Solve 2
p
2
- 3
p
-2 = 0 by factoring.
A.
-2,
B.
, 2
C.
-
, 2
D.
1, 2
Hint
3.
Suppose a ball is thrown straight up at a speed of 50 feet per second. The time in seconds that it takes for the ball to hit the ground can be found by solving the equation 5 + 50
t
- 16
t
2
= 0. Approximately how long does it take for the ball to hit the ground?
A.
0.1 s
B.
-0.1 s
C.
3.2 s
D.
4.8 s
Hint
4.
Factor
x
2
– 4
x
– 32.
A.
(
x
– 8)(
x
+ 4)
B.
(
x
+ 8)(
x
– 4)
C.
(
x
– 16)(
x
+ 2)
D.
(
x
+16)(
x
– 2)
Hint
5.
What is the
y
-intercept of the function
y
= 2
x
2
+ 1
A.
1
B.
0
C.
none
D.
3
Hint
6.
A quadratic function has two real roots. How many times does the graph cross the
x
-axis?
A.
cannot be determined from given information.
B.
1
C.
0
D.
2
Hint
7.
Solve
x
2
+ 8
x
+ 16 = 36 by using the Square Root Property.
A.
2 and –10
B.
-2 and –14
C.
2
D.
-4
Hint
8.
Which graph of the following functions will be strictly above the graph of
?
A.
B.
C.
D.
Hint
9.
What is the equation of the parabola whose vertex is at (-3, 1) and passes through the point (-2, 4)?
A.
B.
C.
D.
Hint
10.
Factor
.
A.
B.
C.
D.
Hint