A 9-5
EXPONENT RULE #3
EasyExample:
MediumExample:
8
DifficultExample:
7 2
x
x3
4x 8 y 7
12x 3 y 6
x y
3x 3 y
A 9-5 Name_________________________________________BDFM?_______Why?____________________________
1.
x7
x5
2.
x4
x
3.
x 9 y3
x 4 y2
4.
x12 y
x7y
5.
6.
2x 7
x5
7.
x 9 y5
5x 8 y 2
8.
4x 7
5x 6
9.
6x 4 y 3
7x 3 y
10.
2x 6
11.
4x 4
6x 4
12.
8x
10x 5 y 4
13.
12x 2 y
6x 5 y 3
14.
9x 4 y 2
x 4 y8
x3
4x 5 y 6
3xy
14x 9 y 4
15.
7x 6
13.
x4x2
14.
x6 x3
15.
xx 2 x 3
16.
x5x4x
17.
3x 2 x 4 x
16.
2x 3 3x 5
17.
3x 4 7x 2
18.
4x 7 3x 2
19.
5x6x4x
20.
8x 2 3x 4 2x
21.
(x 4 y 3 )2
22.
(x 5 y 4 )3
23.
(x 8 y 7 )5
24.
(xy 3 )3
25.
(xy)2
26.
(2x 3 y 5 )2
27.
(3x 2 y 6 )2
28.
(4x 8 y 5 )2
29.
(5x 7 y)4
30.
(7x 9 y 4 )2
Find the exponential equation.
31. Starts with
32. Starts with
100 and
200 and
increases by 8%
decreases by 8%
33. Starts with
300 and
increases by 80%
34. Starts with
400 and
decreases by
80%
35. Starts with
500 and
increases by
14.6%
36. Starts with
600 and
decreases by
14.6%
37. Oscar bought a new $31,000 car. Its value depreciates by 6.5% per year. What is the car worth after 7 years?
a. Find the starting
b. Find the multiplier. c. Find the equation.
d. Solve.
value.
38. Broseph starts an account with 9000$. The investment
earns 5.8% each year. How many dollars will Broseph
have after 15 years?
Find the linear equation.
40.
x
y
0
15
1
17
2
19
41.
x
0
1
2
Find the exponential equation.
44.
45.
x
y
x
0
40
0
1
52
1
2
67.6
2
39. Your groceries were 444$ last month. This month they
went up 9.1%. How much are your groceries?
y
6
1
-4
42.
x
0
1
2
y
60
44.4
32.856
46.
x
0
1
2
y
-12
-10
-8
43.
x
0
1
2
y
-15
-18
-21
y
80
108.8
147.968
47.
x
0
1
2
y
60
40
26.666666666666