VOCABULARY
What does "y-intercept" mean?
The point the line crosses the y-axis.
Find the slope from the following points:
(2,5) and (5,7)
2/3
True or False: The constant rate of change is often reffered to as slope.
TRUE!
What is m?
Slope
What does it mean if a line is linear?
It is a straight line
Find the slope from the following points:
(2,4) and (8,7)
1/2
NO!
What is b?
The y-intercept
What is slope?
The measure of how steep a line is
Rise/run (rise over run)
Find the slope from the following points:
(-1,-4) and (3,8)
3
True or False: A flat line shows a constant rate of change.
FALSE!
Is the y-axis vertical or horizontal?
Vertical
What is "ax+bx=c" called?
Standard form
Find the slope from the following points:
(-5,-1) and (-1,-9)
-2
True or false: Parallel lines resemble railroad tracks
TRUE!
Is the x-axis vertical or horizontal?
Horizontal
What is the point slope form equation?
y-y1=m(x-x1)
Find the slope from the following points:
(3,-4) and (-6,-4)
0
At what angle do perpindicular line intersect at?
90 degrees/a right angle
(0,0)