Line increases left to right
Positive
y = 3x + 2
2
y = -1/2x + 3
-1/2
slope = -2
y-intercept = 3
y = -2x + 3
What is slope intercept form
y = mx + b
Line is horizontal
Zero
y = -4x
0
y = 5 + 2x
2
b = 3
m = 1/2
y = 1/2x + 3
What does m stand for in slope intercept form?
slope
Line is vertical
Undefined
y = -3 - 1/2x
-3
y = -3/5x - 4
-3/5
m = -2/3
b = 9
y = -2/3x + 9
What does b stand for in slope intercept form?
y-intercept
Line decreases from left to right
negative
y = -4x + 3/5
3/5
y = 3 + 8x
8
y-intercept = 4
slope = -5
y = -5x + 4
True or False:
The equation is written in slope intercept form:
3x + 2y = 10
false
Name the 4 types of slope.
Positive, Negative, Zero, and Undefined
y = 5
5
y = 5
0
b = -2
m = 3/4
y = 3/4x - 2
True or False:
The equation is in slope intercept form:
y = 1/2x - 5/6
True