This document contains notes from a math lesson on arithmetic sequences and slope-intercept form. It includes examples of writing equations of sequences, finding terms of sequences, writing equations from slopes and y-intercepts, and graphing linear equations. Students are assigned problems #3-36 from pages 217-218 of their textbook due on November 28.

1. Lesson 4­1.notebook November 26, 2012
Assignment:
1­­>L4.1, pg. 217­218, #3­36 (every 3rd) ­ Due Wednesday (11/28)
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2. Lesson 4­1.notebook November 26, 2012
Lesson 4.1 WarmUp:
Find the next 3 terms of each arithmetic sequence.
1) ­2, 2, 6, 10, ...
2) ­2, 3, 8, 13, ...
Write an equation for the nth term of the arithmetic sequence.
3) ­11, ­15, ­19, ­23
4) 15, 13, 11, 9, ...
5) What would be the "50th" term of the sequence in #4?
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3. Lesson 4­1.notebook November 26, 2012
Lesson 4.1:
*slope­intercept form­­>an equation in the form y = mx + b...where
m = slope and b = the y­intercept
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4. Lesson 4­1.notebook November 26, 2012
Lesson 4.1 examples:
Write an equation in slope­intercept form with the given slope and y­intercept.
Then graph the equation.
Y
A) slope: 2
y­intercept: 4
X
B) slope: 3/4 Y
y­intercept: ­1
X
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5. Lesson 4­1.notebook November 26, 2012
Graph each equation by writing the equation in slope­
intercept form first.
C) ­4x + y = 2
Y
X
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6. Lesson 4­1.notebook November 26, 2012
D) ­3x + 7y = 21
Y
X
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7. Lesson 4­1.notebook November 26, 2012
E) y = ­1
Y
X
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8. Lesson 4­1.notebook November 26, 2012
F) 4x + 6y = ­12
Y
X
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