1.
Write an algebraic expression for the verbal expression: three times the sum of
x
and
y
increased by five times the product of
x
and 3
y
.
A.
3
x
+
y
+ 5
x
(3
y
)
B.
3(
x
+
y
) + 5(3
xy
)
C.
3(
xy
) + 5(
x
+ 3
y
)
D.
3(
x
+
y
) + 5(
x
+ 3
y
)
Hint
2.
Simplify 7(
b
+ 3) + 14.
A.
24
b
B.
7
b
+ 35
C.
42
b
D.
7
b
+ 17
Hint
3.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
14
x
B.
11
x
+ 3
C.
23
x
D.
11
x
+ 12
Hint
4.
Simplify 4(
x
+ 1) - 3(4
x
- 2).
A.
x
+ 10
B.
x
- 2
C.
7
x
- 2
D.
7
x
+ 10
Hint
5.
Simplify 4(6
m
- 2
n
) - 2(2
m
- 6
n
).
A.
28
m
- 20
n
B.
20
m
- 4
n
C.
24
m
- 20
n
D.
20
m
+ 4
n
Hint