5 32x ⋅ 64x2 100 − 18x 20 ⋅ − 36x 99 21x2 10 ÷ 14x 25 3 7 10

 Math 38 - Final Exam Review Packet D (Free Response Portion)
1.
Reduce the fraction to lowest terms.
a.
b.
2.
3.
4.
5.
6.
72
160
75
160
Multiply and express the product in lowest
terms.
5 64x 2
⋅
32x 100
a.
−
b.
⎛ 18x ⎞ ⎛ 36x ⎞
⎜⎝ −
⎟ ⋅⎜ −
⎟
20 ⎠ ⎝ 99 ⎠
Divide and express the quotient in lowest
terms.
a.
12x 4x
÷
21
7
b.
21x 2 14x
÷
10
25
Multiply and write the product as a mixed
number in simplest form.
a.
1
2
4 ×6
2
5
b.
⎛ 7 ⎞ ⎛ 3⎞
⎜⎝ 3 ⎟⎠ ⋅ ⎜⎝ 6 ⎟⎠
10
7
Add or subtract and express your answer as
a mixed number in simplest form.
8
4
+3
24
12
a.
2
b.
2
1
9 −3
4
5
7.
Simplify using the order the order of
operations.
( 7 + 5.14 ÷ 3 ×1.02 ) ×
b.
4⎞ ⎛
2 ⎞
⎛
⎜⎝ 4.2 − 2 + 5 × ⎟⎠ + ⎜⎝ 2.82 + + 5⎟⎠
9
3
Solve.
a.
b.
8.
9.
2
3
a.
What percent of 80 is 88?
What number is 25% of 55?
Add and write the resulting polynomial in
descending order of degree.
a.
(2x
b.
( −3b
2
3
)
+ x + 3 + ( 5x + 7)
) (
)
+ 2b 2 − 9b + −5b3 − 3b 2 +11
Solve.
a.
−0.88x = 1.408
b.
−1.89 = −8.5p +1.2
10. Convert.
5
to a decimal number
32
a.
−
b.
1.625 to fraction in lowest term