Slope
Difference between proportional and linear?
What is proportional starts at (0,0)?
y intercept
Slope of the line.
Slope of the horizontal line.
Slope of a vertical line.(2.4x10^4)x(2.1x10^8)
5.04x10^12
Y-intercept of the line with (-3,-8) & (-1,0).
What is 4?
Write the equation of the line that passes through (0,4) & (2,8)
What is y=2x+4?
Equation of the line. 
What is y=(-2)x+5?
(2)^3
8