# How do you use a graph to build and use a rule?. How do you use a graph to build and use a rule (dry)?

## Presentation on theme: "How do you use a graph to build and use a rule?. How do you use a graph to build and use a rule (dry)?"— Presentation transcript:

How do you use a graph to build and use a rule?

How do you use a graph to build and use a rule (dry)?

XY Y = X +

XY 0

XY 0-10 Y = X +

XY 0-10 Y = X +

XY 0-10 20 Y = X +

XY 0-10 20-30 Y = X +

XY 0-10 20-30 + 42 – 20 20 -20 m Y = X + + 20 m: -1

XY 0-10 20-30 + 42 – 20 20 -20 m Y = -1X + + 20 m: -1 b: -10

XY 0-10 20-30 + 42 – 20 20 -20 m Y = -1X + -10 + 20 m: -1 b: -10

Y = -1X + -10 (458, ?) X Y = -1(458) + -10 Y = -458 + -10 Y = -468

Y = X +

m: 5 b: -300 Y = X +

m: 5 b: -300 Y = 5 X + -300

(?, 485) Y 485 = 5X + -300 + 300 785 = 5X 55 157 = X

EQ: How do you use a _________ to create and use a _________?

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