Write an equation in Slope-intercept form
Slope = -4
y-intercept = 5
y= -4x + 5
(5, 7) and (3, 6)
What is 1/2?
What is the equation for slope intercept form?
y = mx + b
Which point is a y-intercept?
(0, 4) or (4, 0)
(0, 4)
Graph the following linear equation:
y=3/4x+2
y-intercept of 2
positive slope of 3/4
Slope = 1
and the line passes through the origin
y = x
(6, 8) and (-3, 10)
- 2/9
What is the slope?
y = 3x - 5
m = 3
The measure of the steepness of a line
What is slope?
Graph the following linear equation:
y=-1/2x+6
negative slope of -1/2
Slope = -3
Y-intercept = -5
y= -3x - 5
(4, 6) and (-2, -10)
8/3
What is the y intercept?
y = -3x - 7
b = -7
True or false:
Every line has a y-intercept
False
Vertical Lines do not
Graph the following linear equation:
-2x+y=8
y-intercept of 8
positive slope of 2
Passes through the point (-1, 4)
y=-3x+1
(2,3) and (9,7)
What is 4/7?
What equation has:
Slope: 1/2
Y - intercept: -3
y = 1/2x - 3
How do you find slope on a graph?
Calculate/count the vertical change (up/down), over the horizontal change (side to side)
Graph the following Linear Equation:
-4x+2y=6
Slope of 2
Slope = 1/2
Passes through the point (8, -4)
y=1/2x-8
(7,10) and (7, -5)
undefined
Given: y = -1/3x
Find:
m=
b=
m = -1/3
b = 0
What is the slope formula?
(y2-y1 ) / ( x2-x2) or rise/run
Graph the following linear equation:
3y=-x+9
Y-intercept of 3
Slope of -1/3