Homework Corrections None!

Calendar 5.3 5.7 5.4 5.8 One-Step Equation Review One-Step Test Monday Tuesday Wednesday Thursday Friday 5.3 5.7 5.4 5.8 One-Step Equation Review One-Step Test Quarter Final Review Quarter Final Test (makeup) No School 2.2a 2.2b 2.3a 2.3b

Homework Lesson 9.1 Worksheet all Class Rules!!! No getting up without asking 2. No talking until activities 3. Take Notes! DO ALL EXAMPLES Raise your hand

Slope Lesson 9.1

Objectives I can calculate slope from a table I can calculate slope from a graph I can calculate slope given two points using a formula I can identify the slope of a vertical or horizontal line

Should be a review from last year

Rate of Change Δ𝑦 Δ𝑥 Rate of Change The relationship between two changing quantities Δ𝑦 Δ𝑥 y x

Definition Δ𝑦 Δ𝑥 Rate of Change The relationship between two changing quantities Δ𝑦 Δ𝑥 y x

Slope Slope A measure of steepness

Slope Δ𝑦 Δ𝑥

Calculating Slope Table Graphically Formula

Calculating Slope from a Table Δ𝑦 Δ𝑥 x y 1 3 2 6 9 4 12 5 15 Pick any two rows Calculate change in y Calculate change in x Simplify Second First

Calculating Slope from a Table x y 1 3 2 6 9 4 12 5 15 Pick any two rows Calculate change in y Calculate change in x Simplify First Second

Calculating Slope from a Table x y 1 -5 2 -1 3 4 7 5 11 Pick any two rows Calculate change in y Calculate change in x Simplify Second First

Review I can calculate slope from a table I can calculate slope from a graph I can calculate slope given two points using a formula I can identify the slope of a vertical or horizontal line

Calculating Slope Graphically Find Two Points (if necessary)

Lattice Points No! Yes!

Calculating Slope Graphically Find Two Points (if necessary) Calculate change in y Calculate change in x Simplify

Calculating Slope Graphically Find Two Points (if necessary) Calculate change in y Calculate change in x Simplify

One more time with different points

Calculating Slope Graphically Find Two Points (if necessary) Calculate change in y Calculate change in x Simplify

Calculating Slope Graphically Find Two Points (if necessary) Calculate change in y Calculate change in x Simplify

Review I can calculate slope from a table I can calculate slope from a graph I can calculate slope given two points using a formula I can identify the slope of a vertical or horizontal line

Quick Note

Quick Note #2 Positive Slope Negative Slope

Calculating Slope Using a Formula Label Calculate change in y Calculate change in x Simplify 1st point 2nd point

Calculating Slope Using a Formula Label Calculate change in y Calculate change in x Simplify 1st point 2nd point

Calculating Slope Using a Formula Label Calculate change in y Calculate change in x Simplify 1st point 2nd point

Calculating Slope Using a Formula Label Calculate change in y Calculate change in x Simplify

Review I can calculate slope from a table I can calculate slope from a graph I can calculate slope given two points using a formula I can identify the slope of a vertical or horizontal line

Remember!!!! Order Matters!!!!

Vertical and Horizontal Lines Undefined

Slopes + - undefined

Review I can calculate slope from a table I can calculate slope from a graph I can calculate slope given two points using a formula I can identify the slope of a vertical or horizontal line

Lesson 9.1 Worksheet all Homework End of Class Rules!!! 1. Clean Up your Area Wait in your chairs 3. I dismiss not the bell 4. Push in your chairs 5. Keep it to a low roar