Slope Formula
(y2-y1)/(x2-x1)
(y2-y1)/(x2-x1)
Find the slope of the line containing the points (2, 5) and (7,9)
Slope : 4/5
Define Slope
Constant rate of change; rise over run
y = 2x
Identify the slope and y-intercept of the following line:
y = 4x - 6
Slope = 4
Y-Intercept = -6
Find the slope of the line containing the points (2, 5) and (3,6)
Slope: 1
Define y-intercept
Write an equation for a line with slope 1.9 and y-intercept of 2.4
y = 1.9x + 2.4
Identify the slope and y-intercept of the following line:
y = 9x
Y-Intercept = 0
Find the slope of the line containing the points (3, 5) and (7,5)
What does a PROPORTIONAL graph mean?
That the line runs through the origin; cross the middle at (0,0)
Write an equation for the line:
m = 5
b = 13
y = 5x + 13
Identify the slope and y-intercept of the following line:
y = -1/2x + 2
Slope: -1/2
Y-Intercept: 2
Find the slope of the line containing the points (-2, 5) and (4, 7)
Slope: 1/3
Slope formula (y2-y1)/(x2-x1); rise over run, y/x
Write an equation for the line:
m = 6
b = -2
y = 6x - 2
Will the slope of the following equation be positive or negative?
y = 5x + 2
Find the slope of the line containing the points (3, 7) and (5,2)
Slope: -5/2
What type of slope is defined by a horizontal line?
Zero
Write me any proportional equation.
y = x (any number)
Will the line of the following equation be proportional or non-proportional?
y = 4x + 2
Non-Proportional because of the y-intercept