1. Warmup 11-16
Simplify:
2. Simplify:
Simplify :

2. Review for Test Unit 5A
Evaluate the following expressions using the calculator. No decimals!
1. (-1024)(2/5) (3/4)
3. (3-216) (664)7
Use the rules of exponents to simplify. Show work!(treat “e” just like
“x” in these problems)
5. (8e-5) (12e7) (3e4) e5
27e8
e (e5)4
63e (e-7)-5
10. (x(1/5)  x(1/2)) (x(2/5))(3/4)
Simplify. Show work!
12. (60x9y6) ` (128x4y11)

3. Review for Test Unit 5A Simplify completely. Show work!
14. (121x8y2) (4)(2/3) + 17(4)(2/3)
(112x10y4) x5y9z13
147x11y5z
x6y4z x3y14z10
375x9y16z x7y2z2
4 12
For #22-25, tell whether each equation given is an example of
exponential growth or decay.
22. y = -ex+2 – y = e-x-3 + 4
24. Y = -e-x y = ex-1 - 2

4. Review for Test Unit 5A Solve for x. Show work!
83x-2 = (1/16)-x x-5 = 62x+8
815x-8 = (1/9)2x x = -10
76x = 141
31. Tim needs $ in 6 years to help pay for college. He is
Investing some money at 5.75% interest compounded continuously.
How much does Tim need to invest now to reach his goal in 6 years?
Tammy is investing $7500 in an account earning 6% interest,
compounded monthly. How much will she have in the account at
the end of 4 years?
33. Joan is investing $2600 in an account earning 4.5% interest,
compounded weekly. How much would she have earned in 3 years?
James is investing $9600 in an account earning 4% interest,
compounded continuously. How much will he have in the account
in 7 years?

5. Review for Test – Unit 5A
For #1-6, determine whether each equation is an example of
exponential growth, or decay. Then, list the Domain, Range and
Asymptote for each one.
1. y = (3)x y = -(5)x-3
Domain: Domain:
Range: Range:
Asymptote: Asymptote:
Growth/Decay: Growth/Decay:
3. y = (1/4)x y = -(1/3)x Domain: Domain:
5. y = 2(1/5)x y = 4(2)x+1 - 4
Domain: Domain:
Growth/Decay: Growth/Decay
Solve for x. Show work!
7. 2(x – 8)3/ = (2x + 10)4/3 – 16 = 752
9. 4(3x – 21)2/ = (6x + 12)3/4 – 14 = 121
(5x – 45)5/ = 21939

6. Convert the following radical expressions to rational form.
Review for Unit 5A
Convert the following radical expressions to rational form.
(475) (3-29)2
(38)
(532)
Convert the following rational expressions to radical form.
(72) (3/4) (-21)(5/3)
(13)(-1/4) (31x)(-4/3)
Evaluate the following expressions using the calculator. No decimals!
27(5/3) (3/4)
(6729) (3-125)4
Use the rules of exponents to simplify. Show work!(treat “e” just like
“x” in these problems)
13. (2e4) (7e3) (5e6) e7
24e11

7. Review for Unit 5A
Use the rules of exponents to simplify. Show work!(treat “e” just like
“x” in these problems)
21e (e-4)-3
35e (e2)3
18. (x(2/5)  x(1/3)) (x(1/4))(2/3)
Simplify. Show work!
(80x3y4) (108x7y8)
4 (405x8y15) x6y11z4
81x9y5z
x5y7z
162xy15z 6
-12
5 7