2.11 - 2.13 - Algebra I
13/9
(-2, -5) and (7,8)
undefined
(-7, 8) and (-7, 5)
-1
(-9, -3) and (-7, -5)
-1/7
(15, 2) and (-6, 5)
1/5
(3, 9) and (-2, 8)
0
(5, 9) and (3, 9)
2
(6, -2) and (5, -4)
-7
(6, 3) and (7, -4)
-4
(7, -4) and (4, 8)
x-int: (6, 0) y-int: (0, 4)
2x + 3y = 12
x-int: (3, 0) y-int: (0, 2)
2x + 3y = 6
x-int: (6, 0) y-int: (0, 3)
2x + 4y = 12
x-int: (5, 0) y-int: (0, 2)
2x + 5y = 10
x-int: (3, 0) y-int: (0, 6)
2x + y = 6
x-int: (2, 0) y-int: (0, -2)
2x - 2y = 4
x-int: (5, 0) y-int: (0, -2)
2x - 5y = 10
x-int: (2, 0) y-int: (0, -4)
2x - y = 4
x-int: (10, 0) y-int: (0, 3)
3x + 10y = 30
x-int: (-4, 0) y-int: (0, -3)
3x + 4y = -12
x-int: (4, 0) y-int: (0, 3)
3x + 4y = 12
x-int: (5, 0) y-int: (0, 3)
3x + 5y = 15
x-int: (-3, 0) y-int: (0, -9)
3x + y = -9
x-int: (2, 0) y-int: (0, 6)
3x + y = 6
x-int: (-4, 0) y-int: (0, 3)
3x - 4y = -12
x-int: (4, 0) y-int: (0, -3)
3x - 4y = 12
x-int: (-3, 0) y-int: (0, 9)
3x - y = -9
x-int: (2, 0) y-int: (0, -6)
3x - y = 6
x-int: (5, 0) y-int: (0, 4)
4x + 5y = 20
x-int: (7, 0) y-int: (0, 4)
4x + 7y = 28
x-int: (2, 0) y-int: (0, 8)
4x + y = 8
x-int: (2, 0) y-int: (0, -8)
4x - y = 8
x-int: (6, 0) y-int: (0, 5)
5x + 6y = 30
x-int: (1, 0) y-int: (0, 5)
5x + y = 5
x-int: (6, 0) y-int: (0, -5)
5x - 6y = 30
x-int: (2, 0) y-int: (0, 4)
6x + 3y = 12
x-int: (1, 0) y-int: (0, 6)
6x + y = 6
x = 2
Find the zero: y = -10x + 20
x = 5
Find the zero: y = -5x + 25
x = 10
Find the zero: y = 100 - 10x
x = 50
Find the zero: y = 150 - 3x
x = 8
Find the zero: y = 200 - 25x
x = 4
Find the zero: y = 200 - 50x
x = 5
Find the zero: y = 40 - 8x
x = 5
Find the zero: y = 400 - 80x
x = 25
Find the zero: y = 50 - 2x
x = 6
Find the zero: y = 60 - 10x
find the x-intercept
Finding the zero means to
set y = 0 and solve for x
To find the x-intercept means to
-1
find the slope
-1/2
find the slope
-2
find the slope
-3/4
find the slope
-4
find the slope
0
find the slope
1
find the slope
1/3
find the slope
2/3
find the slope
3
find the slope
5/2
find the slope
x-int: (4, 0) y-int: (0, 2)
x + 2y = 4
x-int: (8, 0) y-int: (0, 2)
x + 4y = 8
x-int: (-1, 0) y-int: (0, -1)
x + y = -1
x-int: (1, 0) y-int: (0, 1)
x + y = 1
x-int: (2, 0) y-int: (0, 2)
x + y = 2
x-int: (3, 0) y-int: (0, 3)
x + y = 3
x-int: (5, 0) y-int: (0, 5)
x + y = 5
x-int: (6, 0) y-int: (0, 6)
x + y = 6
x-int: (7, 0) y-int: (0, 7)
x + y = 7
x-int: (8, 0) y-int: (0, 8)
x + y = 8
x-int: (9, 0) y-int: (0, 9)
x + y = 9
x-int: (4, 0) y-int: (0, -2)
x - 2y = 4
x-int: (1, 0) y-int: (0, -1)
x - y = 1
x-int: (2, 0) y-int: (0, -2)
x - y = 2
x-int: (3, 0) y-int: (0, -3)
x - y = 3
x-int: (5, 0) y-int: (0, -5)
x - y = 5