1.
Which of the following sentences is true?
A.
when
x
= 5.
B.
when
x
= 4.
C.
3
x
+ 5 <
x
2
when
x
= 4.
D.
when
x
= 6.
Hint
2.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
9
B.
8
C.
7
D.
6
Hint
3.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
8
B.
7
C.
6
D.
9
Hint
4.
Find the solution of 2(
x
– 5) = 30
if the replacement set is {19, 20, 21, 22}.
A.
21
B.
22
C.
20
D.
19
Hint
5.
Translate the sentence into an equation. Seven times
v
subtracted from 102 equals 53.
A.
7
v
– 102 = 53
B.
102 – 7
v
= 53
C.
7(102) –
v
= 53
D.
7(102 –
v
) = 53
Hint