1.
Evaluate
. Express the result in scientific notation.
A.
8.0 × 10
-9
B.
0.8 × 10
-8
C.
8.0 × 10
-7
D.
80 × 10
-8
Hint
2.
Find (4
y
- 5)(3
y
- 7).
A.
12
y
2
– 43
y
- 35
B.
12
y
2
– 13
y
+ 35
C.
12
y
2
+ 35
D.
12
y
2
– 43
y
+ 35
Hint
3.
Find (5
t
2
- 2
w
)
2
A.
25
t
4
+ 4
w
2
B.
25
t
4
– 4
w
2
C.
25
t
4
– 10
t
2
w
+ 4
w
2
D.
25
t
4
– 20
t
2
w
+ 4
w
2
Hint
4.
Graph
A
(-2, 5) and
B
(-3, 6). Then reflect
A
and
B
over the
y
-axis and graph
A'
and
B'
.
A.
B.
C.
D.
Hint
5.
Simplify
.
A.
B.
C.
5
x
D.
2
x
Hint
6.
Express
in simplest form.
A.
2
B.
C.
D.
Hint
7.
Simplify the expression 2
a
+ 7
b
+ 12
a
+ 3
b
and then evaluate if
a
= 2 and
b
= -2.
A.
9
a
+ 15
b
; -12
B.
14
a
+ 10
b
; 8
C.
14
a
+ 8
b
; 12
D.
10
a
+ 14
b
; -8
Hint
8.
Which way does the graph of
y
= –2
x
2
open?
A.
right
B.
down
C.
up
D.
left
Hint
9.
Which table shows a quadratic relationship?
A.
B.
C.
D.
Hint
10.
Find the cubic equation.
A.
y
=
x
2
+ 5
B.
y
= 3
x
C.
y
= 5
x
3
+ 2
x
D.
y
=
x
(
x
3
+ 1)
Hint
11.
Consider the equation
xy
= 3. What happens to the value of
y
when
x
doubles?
A.
y
quarters
B.
y
triples
C.
y
doubles
D.
y
halves
Hint
12.
What type of relationship does the equation have if its second differences are constant?
A.
linear
B.
cubic
C.
constant
D.
quadratic
Hint
13.
Which number is not equal to the other three?
A.
B.
C.
D.
2
-2
Hint
14.
Find a solution to the equation by doing the same thing to both sides.
3 – 6
m
= 5 – 7
m
A.
m
= –5
B.
m
= –2
C.
m
= 0
D.
m
= 2
Hint
15.
Find a solution to the equation by doing the same thing to both sides.
3(5
f
+ 7) + 9(
f
+ 4) = 9
A.
f
= –10
B.
f
= –12
C.
f
= –9
D.
f
= –2
Hint
16.
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
x
(
x
– 7) = 36
A.
x
= 11.00,
x
= –2.01
B.
x
= 3.26,
x
= 6.31
C.
x
= 10.45,
x
= –3.45
D.
x
= –15.96,
x
= –1.15
Hint
17.
How many solutions can a graph of
y
=
a
x
2
+
b
x
+
c
have?
A.
all answers are correct
B.
two
C.
zero
D.
one
Hint
18.
A figure has rotation symmetry of 8°. How many identical parts must there be?
A.
45
B.
70
C.
272
D.
40
Hint
19.
Find the angle of rotation that is the same as 70°.
A.
–70°
B.
170°
C.
–170°
D.
–290°
Hint
20.
Scale the figure below by
.
A.
B.
C.
D.
Hint