x- and y- intercepts x – intercept: y – intercept: (2, 0) (0, -3)
TRANSCRIPT
x- and y- intercepts
x – intercept:
y – intercept:
(2, 0)
(0, -3)
Slope
2 1
2 1
y ym
x x
0 32 0
m
32
m
(2, 0) (0, -3)
3
2
4.What is the slope of the line y = 223x – 10 ?
What is the y-intercept of the line y = 223x – 10 ?
What is the slope of the line y = x + 15?67
What is the y-intercept of the line y = x + 15?67
What is the slope of the line y = mx + b?
What is the y-intercept of the line y = mx + b?
223m
(0, 10)
67
m
(0,15)
m m
(0, )b
y = 2x + 1
Rise
Run
2
1
slope
y-intercept
1
2
run
rise
b = (0, 1)
m = 2
y = 2x + 1
y = -3x + 2
Rise
Run
-3
1
slope
y-intercept
1
3
run
rise
b = (0, 2)
m = -3
y = -3x + 2
Rise
Run
2
3
slope:
y-intercept:
3
2
run
rise
b = (0, -1)
13
2 xy
3
2m
3 2 3y x 3 3 3
Rise
Run
-1
2
slope:
y-intercept
2
1
run
rise
b = (0, 3)
132
y x
2
1m
2 6y x x x
2 6y x 2 2 2
Rise
Run
-1
3
slope:
y-intercept
rise 1run 3
b = (0, 1)
11
3 y x
1m
3
3 3 0 x y3 3 3 3 x y
3 3 y x x x
3 3 3