1.
Which of the following sentences is true?
A.
when
x
= 5.
B.
when
x
= 6.
C.
when
x
= 4.
D.
3
x
+ 5 <
x
2
when
x
= 4.
Hint
2.
Simplify 6
a
+ 15
a
.
A.
42
a
B.
6
a
+ 15
a
C.
21
a
2
D.
21
a
Hint
3.
Simplify 3
x
2
y
+ 2
x
y
2
+ 5
x
2
y
+ 3
y
2
.
A.
8
x
2
y
+ 2
x
y
2
+ 3
y
2
B.
8
x
2
y
+ 5
xy
2
C.
13
x
5
y
6
D.
8
x
4
y
2
+5
y
3
Hint
4.
Find the product (-3.6) × 7.
A.
25.2
B.
10.6
C.
2.4
D.
-25.2
Hint
5.
Find the product
A.
B.
C.
D.
Hint
6.
Simplify (3
a
)(-2
b
) + (5
b
)(-2
a
).
A.
4
ab
B.
-4
ab
C.
16
ab
D.
-16
ab
Hint
7.
The area of a square is 100 square inches. Find the perimeter of the square.
A.
10 in.
B.
20 in.
C.
100 in.
D.
40 in.
Hint
8.
Solve
x
+ 5 = -7.
A.
x
= 35
B.
x
= 2
C.
x
= -12
D.
x
= -2
Hint
9.
Solve 115 -
b
= 200.
A.
-85
B.
C.
D.
85
Hint
10.
Solve the equation 3
x
+ 7 = 5
x
- 2.
A.
B.
C.
D.
Hint
11.
Evaluate 3
4
.
A.
64
B.
81
C.
3
D.
12
Hint
12.
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles?
A.
2:5
B.
4:7
C.
4:5
D.
2:7
Hint
13.
Hamburger costs $1.50 per pound and soy costs $1.00 per pound. The school cafeteria uses 50 more pounds of soy than hamburger and spends $350 a week. How much soy does the school use?
A.
170 pounds
B.
120 pounds
C.
233 pounds
D.
350 pounds
Hint
14.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
23
x
B.
14
x
C.
11
x
+ 12
D.
11
x
+ 3
Hint
15.
Identify the hypothesis in the following algebraic statement:
If 3
x
+ 10 = 13, then
x
= 1.
A.
3
x
B.
3
x
+ 10
C.
3
x
+ 10 = 13
D.
x
= 1
Hint
16.
Which values of
x
and
y
are counterexamples to the given statement?
If
x
–
y
= an even number, then both
x
and
y
are even numbers.
A.
x
= 19,
y
= 13
B.
x
= 12,
y
= 4
C.
x
= 22,
y
= 20
D.
x
= 15,
y
= 8
Hint
17.
Translate the sentence into a formula. The area of a trapezoid is equal to one-half times the sum of the bases times the height.
A.
B.
C.
D.
Hint
18.
Solve –14
n
= -112.
A.
n
= -1568
B.
n
= 1568
C.
n
= -8
D.
n
= 8
Hint
19.
Solve
A.
w
= 835
B.
w
= 859
C.
w
= -835
D.
w
= -859
Hint
20.
Solve
A.
m
= -1
B.
m
= 1
C.
m
=
D.
m
=
Hint