Scatterplots
What are the buttons you hit to access your lists?
stat, 1
(0,3) and (4, 2)
-1/4
The equation of the line that goes through (0, 5) with a slope of 3.
y = 3x + 5
The equation of the line that goes through (0, 5) with a slope of 3.
y - 5 = 3x
Invert the table
x y
2 3
4 5
6 -2
x y
3 2
5 4
-2 6
(4, 2) and (-3, -3)
5/7
The equation of the line that goes through (2, 7) with a slope of -1/2.
y = -1/2 x + 8
The equation of the line that goes through (2, 7) with a slope of -1/2.
y - 7 = -1/2 (x - 2)
Invert the table
x y
0 1
2 2
5 -4
x y
1 0
2 2
-4 5
(4, 4) and (2, 10)
-3
The equation of the line that goes through (-1, 6) with a slope of 4.
y = 4x + 10
The equation of the line that goes through (-1, 6) with a slope of 4.
y - 6 = 4 (x + 4)
Invert the table
x y
-10 11
5 9
6 -7
Invert the table
x y
11 -10
9 5
-7 6
(2, 7) and (3, 7)
0
The equation of the line that goes through (3, 4) with a slope of 0.
y = 4
The equation of the line that goes through (3, 4) with a slope of 0.
y - 4 = 0
Invert the relation:
(3, 4) (0.5, 6) (7.2, 3.8)
(4, 3) (6, 0.5) (3.8, 7.2)
(4, 5) and (4, 10)
undefined!!!!
The equation of the line that goes through (3, 5) with a slope of undefined.
x = 3
The equation of the line that goes through (-3, -5) with a slope of -2.
y + 5 = -2 (x + 3)
What happens to the domains and ranges of inverse functions?
They swap.