Unit 5 Algebra I

Find the balance in the account after the given period.$12,000 principal earing 4.8% compounded annually after 7 years : $16,661.35

$500 principal earning 4% compounded quarterly after 6 years : $634.87

Your 3 year investment of $20,000 received 5.2% interested compounded semi annually. What is your total return? : $23329.97

You borrowed $59,000 for 2 years at 11% which was compounded annually. What total will you pay back? : $72693.70

3 x 10² : 300

5.72×10⁹ : 5,720,000,000

2.4327 x 10⁷ : 24,327,000

5.3 x 10⁻² : 0.053

5.72×10⁻⁴ : .000572

y = 2x :

y = (1/3)^x :

y = 4^x :

General form of an exponential equation : y= a (b^x)

y = 7800(0.92)ⁿafter 6 years value is $4,729.57 : Write the exponential equation and find the value after the given time:The value of a car is $7800 and decreases at a rate of 8% for 6 years

y = 1500(1.035)ⁿ : Write an equation:A school has an initial enrollment of 1500 students and grows by 3.5% every year.

(8a⁷b⁶)/c⁵ :

(2a⁴)/c⁵ :

2/c :

2 :

9 :

64 :

6 :

125 :

49 :

x³/² :

x¹/³ :

1.62 x 10^-4 : (2 x 10^-4)(8.1 x 10^-1)

6.8571 x 10^-3 : (2.4 x 10^7) / (3.5 x 10^9)

6.64615 x 10^4 : (4.32 x 10^-7) / (6.5 x 10^-12)

3.3 x 10^-2 : (6.2 x 10^-5) / (1.9 x 10^-3)