Determine if the sequence is arithmetic or geometric, then find the explicit equation.
7, 5, 3, 1, -1, ...
Arithmetic
t(n)=-2n+9
Find the slope of a line parallel to the line
y=2/5x+1
m=2/5
Solve for m.
A=3m-b
m=(A+b)/3
Solve the inequality for x.
2 x-7>25
x>9
What is the median of the following set of data?
12, 15, 15, 17, 19, 19, 20, 22, 24
19
Determine if the sequence is arithmetic or geometric, then find the explicit formula.
-2, -8, -32, -128, ...
Geometric
t(n)=-1/2(4)^n
What is the equation of the line that goes through the point (-1, 3) and has a slope of 1?
y=x+4
Solve the equation for x:
(x+4)(2x-3)=2x^2+3
x=3
Write the inequality for the following graph:

-6<x<=9
What percent of the data is between 15 and 22?

50%
Generate the first 5 numbers of the sequence defined by the equation:
t(n)=1/3(3)^n
1, 3, 9, 27, 81, ...
What is the equation of the line that goes through the points (3, -2) and (1, 4)?
y=3x+1
Solve the equation for x:
(x+6)/7=3x-2
x=1
Write the inequality for the graph below:

y> -x+2
What is the probability that someone in 6th grade has a pet?

13/36 or 36.11%