1.
Which of the following sentences is true?
A.
when
x
= 4.
B.
when
x
= 5.
C.
when
x
= 6.
D.
3
x
+ 5 <
x
2
when
x
= 4.
Hint
2.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
8
B.
7
C.
9
D.
6
Hint
3.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
9
B.
6
C.
7
D.
8
Hint
4.
Find the solution of 2(
x
– 5) = 30
if the replacement set is {19, 20, 21, 22}.
A.
22
B.
21
C.
20
D.
19
Hint
5.
Translate the equation into a verbal sentence.
A.
One-third of a number
x
minus 4 equals 5.
B.
One-third of a number
x
minus 5 equals 4.
C.
Five subtracted from the quotient of
and a number
x
is 4.
D.
One-third times the difference of a number
x
and 5 is 4.
Hint