Syntax Word order, constituency LING 200 Spring 2003 Reading: Files 6.1, 6.3, 6.5, 6.7.
Alg 1 day 58 6.1 6.3 review
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Transcript of Alg 1 day 58 6.1 6.3 review
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C
H
B
G
A
FE
D
Match each graph with its equation. Write down the strategy you used for each.
x = -3y = -2x - 1
y = 6x = 7/2
2x + 3y = 12
-8x + 10y = 40
y = 2x + 1y = -2
1
4
5
7
8
6
3
2
Answers:
1 =5 =2 =6 =3 =7 =4 =8 =
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Agenda Thursday, Dec. 2
Homework Check
Quiz Or Review
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Write an equation of a line that has the same slope as 4x – 10y = 10 and the same y-intercept as 2y + 2 = 12x.
y = 2/5 x - 1
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Write an equation of a line that has the same slope as 2x + 5y = -10 and the same y-intercept as 4y + 11 = 6x.
y = -2/5 x - 11/4
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Find the slope:
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(0, 3) (0 , 8)undefined
(4, 10) (2, -5)15/2
(6, -10) (-4, 2)-6/5
(7, 3) (8, 3) 0
(-7, -5) (-8, -3)
-2
Find the slope between these two points. slope = y2 - y1
x2 - x1
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1 2 31. y = 2/3x + 1 3. y = -3/4x + 22. y = 1/2x - 3
GRAPH
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Graph
-8x + 2y = - 163x - 3y = 9
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Ax + By = C
To put into standard form, just use rules for solving equations.
y = 3 x + 2 4
Try these:
y = 2x - 1 -2x + y = -1 or
2x + y = 1
y = 1/2 x - 3/2 x - 2y = -3 or
-x + 2y = 3y = 3/7 x - 3/8 -24x + y = -21 or
24x - y = 21
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WHITEBOARD PRACTICE
What are the x and y-intercepts?
3x + 9y = 18 (6, 0) (0, 2)
5x - y = 100 (20, 0) (0, -100)
-8x - 3y = -48 (6, 0) (0, 16)What is the equation of each line?
x = - 6 y = - 7 x = 5.5