1.
Based on the line plot, how many students scored above 90 or below 50?
A.
9
B.
5
C.
4
D.
10
Hint
2.
Find the difference -3.35 - 6.21.
A.
2.86
B.
-2.86
C.
-9.56
D.
9.56
Hint
3.
Write the following expression with exponents.
b
×
b
×
b
×
b
×
b
×
b
×
b
×
b
×
b
A.
b
9
B.
b
18
C.
b
2
D.
9
b
Hint
4.
Which graph matches the following statement?
You are driving a steady speed, then stop for a train. When the train passes, you resume your speed.
A.
B.
C.
D.
Hint
5.
A brand of grape drink that is 25% grape juice is mixed with another brand that is 75% grape juice. The result is 7 gallons of grape drink that is 35% grape juice. How much of the brand that is 25% grape juice was used?
A.
6 gallons
B.
7 gallons
C.
1.4 gallons
D.
5.6 gallons
Hint
6.
A person biking uphill travels 15 miles in 1hour.
The same person biking downhill travels 15 miles
in
hour. Find this person's average speed.
A.
22.5 mph
B.
30 mph
C.
20 mph
D.
15 mph
Hint
7.
Write an equation to represent the function.
A.
g
(
x
) = 3
x
B.
g
(
x
) =
x
+ 3
C.
g
(
x
) = -2
x
D.
Hint
8.
Write an equation in slope-intercept form of a line with a slope of
and a
y
-intercept of -2.
A.
B.
C.
D.
Hint
9.
Find
.
A.
B.
C.
D.
t
+ 2
Hint
10.
Solve
.
A.
-2 or
B.
5
C.
-2 or 7
D.
-2
Hint
11.
The distance between the points with coordinates (3, 7) and (-2,
a
) is
units. Find the value of
a
.
A.
-1 or -13
B.
-1 or 13
C.
-1 or 1
D.
1 or 13
Hint
12.
Find
A.
B.
C.
D.
Hint
13.
Solve
t
– 32 = 96.
A.
t
= 128
B.
t
= 64
C.
t
= -128
D.
t
= -64
Hint
14.
Solve
A.
B.
C.
D.
Hint
15.
Solve
A.
B.
All Real Numbers
C.
No Solution
D.
Hint
16.
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation
A
= –10
x
2
+ 15
x
+ 22, where
A
is height and
x
is the time in seconds. The height of Sanford's throw can represented by the equation
S
= –9
x
2
+ 14
x
+ 23. At time
x
, how much higher is Sanford's throw?
A.
x
2
–
x
+ 1
B.
x
2
+
x
+ 1
C.
x
2
–
x
– 1
D.
x
2
+
x
– 1
Hint
17.
Find the product (3
x
+ 3)
2
.
A.
6
x
2
+ 12
x
+ 9
B.
6
x
2
+ 18
x
+ 9
C.
9
x
2
+ 18
x
+ 9
D.
9
x
2
+ 12
x
+ 9
Hint
18.
Nancy invests $100 in one account for ten years at a 9% interest rate compounded annually, and she invests $150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in the accounts after 10 years?
A.
$236.74
B.
$507.65
C.
$505.36
D.
$270.92
Hint
19.
Find
.
A.
B.
C.
D.
Hint
20.
Simplify
.
A.
B.
C.
D.
Hint