Algebra B Chapter 7 review 1
A $60,000 piece of machinery depreciates in value at a rate of 11% per year. About what will its value be in 5 years?
$33,504
Bonus: Simplify (3^n+1)(3^2n) ^4
(3 x 2n ^7)
Solve 3 ^x+2 = 81
2
Find the next three terms in each geometric sequence. 648, -216, 72...?
-24, 8, -2.666667
Evaluate (7 x 10 ^8)(2.4 x 10^-4)
1.68 x 10^5
What is the ninth term of the geometric sequence 3, 9, 27...?
19,683
Express 0.000024 in scientific notation
2.4 x 10^-5
If y=10(2.5)^t represents the number of bacteria in a culture at a time, how many will there be at time t=6?
2441
A circle has a radius of 5x^2. Find the area.
25x^4 Pi
A chess tournament starts with 16 people competing. the exponential function y=16(1/2)^x describes how many people are remaining in the tournament after x rounds. How many people are left in the tournament after 2 rounds?
4
Evaluate 16 3/4
8
Determine whether each sequence is arithmetic, geometric, or neither. 1, 2, 4, 8, .....?
Geometric x2
Simplify a^7/a^4
a^3
Which is the equation for the nth term of the geometric sequence -2, 8, -32...?
an= -2 times (-4) ^n-1
Simplify (b^4)^3 (exponents)
b^12
Simplify m^5r^2/m^2r^3
m^3/r (r is under the fraction)
Write an equation for the nth term of the geometric sequence -2, 10, -50... Find the eleventh term of this sequence.
n=-2(-5) ^11-1
Simplify y^5 x y^3
y^8