Math 1 Chapter 4 Notes.notebook 1 November 14, 2012 Chapter 4 Graphing Linear equations and Functions 4-1 Plot points in a coordinate plane pg. 206 Key Vocab: Coordinate Plane: Ordered Pair Quadrant Example 1 Example 2 Example 3 X Y 2 1 0 1 2 Pg. 209 1-37 odd 102912
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Math 1 Chapter 4 Notes.notebook
1
November 14, 2012
Chapter 4 Graphing Linear equations and Functions
4-1 Plot points in a coordinate plane pg. 206
Key Vocab:Coordinate Plane:
Ordered PairQuadrant
Example 1
Example 2
Example 3
X Y
2
1
0
1
2
Pg. 209 1-37 odd
102912
Math 1 Chapter 4 Notes.notebook
2
November 14, 2012
Lesson 4-2 Graph Linear Equations pg. 215
Key Vocab:Standard Form of a line
Linear Function:
Solution of an equation in two variables: Is an ordered pair (x,y)
Graph of an equation in two variables: is the set of points in a coordinate plane that represents all solutions of the equation
Example 2, 3 and 4 Graph the functions by using a t-table
Example 4
X Y
Math 1 Chapter 4 Notes.notebook
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Lesson 4-3 Graphing using x and y intercepts pg.225
Key Vocab:x-intercept: Place where it intersects the x axis. (x, 0) y = 0
y-intercept: Place where it intersects the y-axis (0,y) x = 0
Example 1 find the x and y intercepts then graph COVER UP METHOD
Math 1 Chapter 4 Notes.notebook
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Review lesson 4-1 4-3
Assign: pg. 271 5-14 allQUIZ TOMORROW
Math 1 Chapter 4 Notes.notebook
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Math 1 Lesson 4-4 Finding the slope and the rate of change pg. 235
Key Vocab: SLOPE:
Beyonce Method- TO THE LEFT TO THE LEFT
Example 1 Find the slope of the line through the points given
There are 3 Types of linesOBLIQUE VERTICAL HORIZONTAL
zz
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44 Continued
week 1-4
weeks 4-6
weeks 6-10
Math 1 Chapter 4 Notes.notebook
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Slope and y-intercept activity pg. 243
2 Ways to graph a line
1. Two points
2) One point and a slope
Math 1 Chapter 4 Notes.notebook
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Math 1 Date:________Lesson 4-5 Graphing using slope-intercept form to graph pg. 244
3 types of equations for linesStandard form Slope-intercept form point-slope form
Example 1 identify the slope and the y-intercept of the line with the given equation
Graph the equations if in standard form use the COVER UP method (two points), if in slope intercept form or if you can easily get y by itself. use the slope and the y-intercept (point slope)
2 points method a point and slope method a point and slope method
Example 2
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Standard form of a line
Find the x intercept Find the y-intecept Find the SLOPE = m
Slope Intercept form of a line
Standard form of a line
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November 14, 2012Math 1 Lesson 4-6 Date:_______Title: Model Direct Variation pg.253
Key Vocab:Direct Variation:
Constant of Variation: the non-zero number a
y is said to vary directly with x
Example 1
Example 2
Example 3
Properties of Direct variation
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Math 1 Chapter 4 Notes.notebook
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November 14, 2012
1.2.
3.
4. 5. 6.
7.8. 9.
10. 11.
12. 13.
14.
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Page 2 Partner Quiz 4-1 - 4-6
10.
Tell me if the equation represents a direct variation, if so find the constant of variation 11.
Graph each of the direct variation equations
12. 13.14. do your 4 steps
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Math 1 Lesson 4-7 Date:_______Title: Graph Linear Functions pg.262
Vocab: Function Notation: Read the value of f at x OR f of x
Example 1
Example 2For the function find the value of x so that
Evaluate the function
Example 3
X Y
Family of functions: a group of functions with similar characteristics for example functions of the formthey are all linear functions
Parent linear function
Comparing graphs with
m=1 m is positive m is negative
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