What is a Linear Pattern?
is a pattern that grows or decreases by the same amount each time.
Using T(n) = start + change(n − 1)
Pattern: 5, 9, 13, 17, …
a) Write the formula using T(n) = start + change(n − 1)
T(n) = 4n + 1
X Y
1 9
2 11
3 13
4 15
What is the equation for y = mx+b
y = 2x + 7
Term 1: ( ) ( ) ( )
Term 2: ( ) ( ) ( ) ( ) ( )
Term 3: ( ) ( ) ( ) ( ) ( ) ( ) ( )
Term 4: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
a) Write the equation in the form y = mx + b
b) Create a table of values for x = 1, 2, 3, 4
X Y
1 3
2 5 y = 2x + 1
3 7
4 9
What is a Constant Change?
the amount something increases or decreases by.
Using T(n) = start − change(n − 1)
Pattern: 30, 26, 22, 18, …
a) Write the formula using T(n) = start − change(n − 1)
T(n) = -4n + 34
X Y
1 4
2 7
3 10
4 13
What is the equation in the form y = mx + b?
y = 3x + 1
Term 1: ( ) ( )
Term 2: ( ) ( ) ( ) ( )
Term 3: ( ) ( ) ( ) ( ) ( ) ( )
Term 4: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
a) Write the equation in the form y = mx + b
b) Create a table of values for x = 1, 2, 3, 4
X Y
1 2
2 4
3 6
4 8
y = 2x
What is a term number?
The term number tells you the
position of a number in a pattern.
Using T(n) Formula
Pattern: −4, 1, 6, 11, …
a) Write the formula using T(n) = start + change(n − 1)
T(n) = 5n - 9
X Y
1 18
2 15
3 12
4 9
What is the equation in the form y = mx + b?
y = -3n + 21
Term 1: ( ) ( ) ( ) ( ) ( )
Term 2: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
Term 3: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
Term 4: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
a) Write the equation in the form y = mx + b
b) Create a table of values for x = 1, 2, 3, 4
X Y
1 5
2 8
3 11
4 14
y = 3x + 2
What is an ordered Pair?
Is a pair of numbers written in a specific order that shows the location of a point on a graph.
Using T(n) Formula
Pattern: 100, 92, 84, 76, …
a) Write the formula using T(n) = start − change(n − 1)
T(n) = -8n + 108
X Y
1 -2
2 3
3 8
4 13
What is the equation in the form y = mx + b?
y = 5n -7
Term 1: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
Term 2: ( ) ( ) ( ) ( ) ( ) ( )
Term 3: ( ) ( ) ( ) ( )
Term 4: ( ) ( )
a) Write the equation in the form y = mx + b
b) Create a table of values for x = 1, 2, 3, 4
X Y
1 8
2 6 y = -2x + 10
3 4
4 2
What is a Linear Relationship?
The numbers change at a constant rate +/- . When graphed, the points form a straight line.
The rule is:
T(n) = 4n -1
a) Is 49 in this pattern? Solve for n.
4n = 49 - 1
4n = 48
n = 48/4
n=12
X Y
1 25
2 20
3 15
4 10
What is the equation in the form y = mx + b?
y = -5n +30
Term 0: ( ) ( ) ( )
Term 1: ( ) ( ) ( ) ( ) ( )
Term 2: ( ) ( ) ( ) ( ) ( ) ( ) ( )
Term 3: ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
a) Write the equation in the form y = mx + b
b) Create a table of values for x = 1, 2, 3, 4
X Y
0 3
1 5 y = 2x + 3
2 7
3 9