1.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
6
B.
9
C.
7
D.
8
Hint
2.
Find the solution of 4
x
+ 10 = 42
if the replacement set is {6, 7, 8, 9}.
A.
8
B.
6
C.
7
D.
9
Hint
3.
Find the solution of 2(
x
– 5) = 30
if the replacement set is {19, 20, 21, 22}.
A.
22
B.
20
C.
19
D.
21
Hint
4.
Solve
=
x
.
A.
x
= 10
B.
x
= 5
C.
x
= 0
D.
x
= 25
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