chapter 7 notes - east jackson middle school...
TRANSCRIPT
Chapter 7 Notes
1
Graphing on the Coordinate
"I've Earned My Stripes" graph
Cartesian Coordinate Plane
Chapter 7 Notes
2
Placing Ordered Pairs on the Coordinate Plane
A(2, 3)move right
2 units
move up
3 units
right (+) or left (-) up (+) or down (-)
(x, y)
Distance Between Points
Given two points (x1, y1) and (x2, y2):Horizontal distance = x2 - x1
y2 - y1
Chapter 7 Notes
3
Distance Between Points
Given two points (x1, y1) and (x2, y2):Horizontal distance = x2 - x1
y2 - y1
Chapter 7 Notes
4
Steps to determine whether an ordered pair is a solution.
Determine whether the ordered pair is a solution of y = 3x + 2.
a. ( , )(x, y)
y = 3x + 2
Chapter 7 Notes
5
Determine whether the ordered pair is a solution of y = 3x + 2.
b. ( , )(x, y)
y = 3x + 2
Creating a table of Ordered Pair Solutions
Make a table for y = 8x for x = 1, 2, 3, 4
x 8x y (x, y)
Creating a table of Ordered Pair Solutions
Make a table for n = 4m - 3 for m = -4, -3, -2, -1
Chapter 7 Notes
6
speed.
Chapter 7 Notes
7
0 0
10 10,000
20 20,000
30 30,000
60 30,000
70 20,000
80 10,000
90 0
Chapter 7 Notes
8
Chapter 7 Notes
9
x y
-2 1
-1 2
0 3
1 4
2 5
Use the table to write an equation.
a.
x y
0 12
2 10
4 8
6 6
8 4
Use the table to write an equation.
b.
x y
1 5
2 3
3 1
4 -1
5 -3
Use the table to write an equation.
c.
Chapter 7 Notes
10
x y
Use the graph to make a table and write an equation.
Chapter 7 Notes
11
linear equation
a) y = 3x - 4
Chapter 7 Notes
12
Determine whether the rates of change are constant or variable.
0 1 3 6 8
0 4 8 8 6
(out, y-coordinate)
Determine whether the rates of change are constant or variable.
0 1 4 6 7
1 2 5 7 8
(out, y-coordinate)
Chapter 7 Notes
13
5
9
4
11
8
d = 0.2s d
5
9
4
11
8
Chapter 7 Notes
14
Chapter 7 Notes
15
Find the slope of the line that passes through (1,7) and (9, 1).
Chapter 7 Notes
16
5 75,000
10 150,000
15 225,000
20 300,000
Chapter 7 Notes
17
Chapter 7 Notes
18
point on the graph.
point on the graph.
Chapter 7 Notes
19
point on the graph.
point on the graph.
Chapter 7 Notes
20
mx +
mx +