1.
Find the solution of 2(
x
– 5) = 30
if the replacement set is {19, 20, 21, 22}.
A.
21
B.
20
C.
22
D.
19
Hint
2.
Find the solution of 2(
x
– 5) = 30
if the replacement set is {19, 20, 21, 22}.
A.
19
B.
22
C.
21
D.
20
Hint
3.
Translate the sentence into an equation. Four times the number
n
is equal to twice the sum of
q
and
r
.
A.
4
n
=
q
+
r
B.
4
n
= 2
q
+
r
C.
4
n
= 2(
q
+
r
)
D.
4
n
= 2(
q
–
r
)
Hint
4.
Translate the sentence into an equation. Seven times
v
subtracted from 102 equals 53.
A.
7(102) –
v
= 53
B.
102 – 7
v
= 53
C.
7
v
– 102 = 53
D.
7(102 –
v
) = 53
Hint
5.
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