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(3
xy
)
B.
3(
xy
) + 5(
x
+ 3
y
)
C.
3(
x
+
y
) + 5(
x
+ 3
y
)
D.
3
x
+
y
+ 5
x
(3
y
)
Hint
2.
Simplify 12
f
+ 6(3 + 4
f
).
A.
16
f
+ 18
B.
36
f
+ 18
C.
34
f
D.
54
f
Hint
3.
Simplify the expression 8 (
a
+ 2
b
) – 7
b
+ 6 (3
a
–
b
).
A.
26
a
+ 3
b
B.
4
a
– 6
b
C.
152
a
– 88
b
D.
26
a
– 6
b
Hint
4.
Simplify 4(
x
+ 1) - 3(4
x
- 2).
A.
x
- 2
B.
x
+ 10
C.
7
x
- 2
D.
7
x
+ 10
Hint
5.
Simplify -5(6
a
- 9
b
) - 2(
a
-
b
).
A.
32
a
- 47
b
B.
-30
a
- 45
b
C.
-32
a
+ 47
b
D.
-32
a
- 47
b
Hint