Slope-intercept form: 𝑦 = 𝑚𝑥 + 𝑏 𝑚: slope 𝑏: y-intercept

Each of the graphs below represents a line of best fit derived from some data. Match each definition below to the linear model describes.

𝑓(𝑥) = - 5𝑥 - 2

1

A

graph of a line passing through (-3, -11) and (0, -2)

$$\displaystyle g(x) = \frac{1}{4} x - 2$$

2

B

graph of a line passing through (0, -2) and (10, 4)

𝒽(𝑥) = 3𝑥 - 2

3

C

graph of a line passing through (-6, 0) and (0, -2)

$$\displaystyle j(x) = -\frac{1}{3} x - 2$$

4

D

graph of a line passing through (-2, 8) and (0, -2)

𝑘(𝑥) = 0.6𝑥 - 2

5

E

graph of a line passing through (0, -2) and (8, 0)

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