2.1. Linear Functions and Models. Graphing Discrete Data. We can graph the points and see if they are linear. Enter the data from example 1 into L1 and L2 Stat Edit
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Linear Functions and Models
Equations of Lines
y – b = m(x – a).
This is called the point-slope form of the line.
a. 3x + 2y = 4 and 6x + 4y = 9
b. 5x – 7y = 3 and 4x – 3y = 8
c. 5x – 7y = 15 and 15y - 21x = 7
d. ax = by = c and akx +aky = d, (a ≠ 0)
ax + b >0 where a ≠ 0.
(The symbol > can be replaced by <, ≤, or ≥)
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(Always round down.)
[[1.2]] = 1
[[1.9]] = 1