1.
Which of the values is a solution to the equation 2
x
+ 7 = 37?
A.
5
B.
3
C.
-10
D.
15
Hint
2.
Which answer shows all the possible subsets of {3, 7}?
A.
B.
{3,7},
C.
{3}, {7},
D.
{3,7}, {3}, {7},
Hint
3.
Use mental math to solve
A.
1
B.
17
C.
-17
D.
16
Hint
4.
If
A
= {5, 6, 7, 8} and
B
= {8, 9}. what set notation means that 7 belongs to set
A
but not set B?
A.
7
A
, 7
B
B.
7 = A, 7
B
C.
7
A
, 7
B
D.
7
A
, 7
B
Hint
5.
Use mental math to solve
A.
-4
B.
-12
C.
4
D.
-20
Hint