Common Difference
A common difference is similar to the ___________ of a line.
Slope
The common difference is the amount ________________ to the previous term.
Multiplied
What is the first term of the sequence defined by the formula below?
t(1)= -12
t(n+1)=t(n)+5
12
What term is represented by the b in an explicit formula?
0th term
What is the slope of the line with the equation
y=6x+18?
6
The common difference is the amount ________________ to the previous term.
added
What is the common ratio of the sequence below?
4, 8, 16, 32, ...
2
What is the third term of the sequence defined by the formula below?
t(1)= 8
t(n+1)=t(n)-6
-4
What is the third term of the sequence defined by the formula below?
t(n)=10n+ 8
38
Solve the equation 6x+12=42
x=5
What is the common difference of the sequence below?
4, 10, 16, 22, ...
6
What is the common ratio of the sequence below?
12, 6, 3, 1.5, ...
1/2 or 0.5
What is the 5th term of the sequence defined by the formula below?
t(1)= 9
t(n+1)=t(n)+4
25
What is the 15th term of the sequence defined by the formula below?
t(n)= 9n-18
117
What is the slope of an equation that goes through the points (4, -3) and (-2, 1)?
-2/3
What is the common difference of the sequence below?
-3, -10, -17, -24
-7
When a sequence is divided, the common ratio is written as a _______________.
Fraction
Write the recursive formula of the sequence below.
3, -4, -11, -18
t(1)= 3
t(n+1)=t(n)-7
Write the explicit formula of the sequence below.
3, -4, -11, -18
t(n)=-7n+10
What does the -9 represent in y=3x-9 when talking about a line?
y intercept
What is the common difference of the sequence below?
0.2, 1.55, 2.9, 4.25, ...
1.35
What is the common ratio of the sequence below?
5, -10, 20, -40, ...
-2
Write the recursive formula of the sequence below.
3rd term: 16
Common Difference 4
t(1)= 8
t(n+1)=t(n)+4
Write the recursive formula of the sequence below.
3rd term: 20
Common Difference -3
t(n)=-3n+11
Solve the equation 8x-13=5x+17
x=10