Instructions for Lesson Delivery 1.This is lesson 1 of 2 for Linear equations. 2.Print the last page for all students so they can place them in their whiteboards 3.The independent practice can be downloaded from Mrs. Williams Math page.

Today we will Graph Linear Equations Graph = a visual of a set of ordered pairs on a grid

What is the ordered pair for the points below?

Complete the table XY= x +2Y 0Y = y = y = y =

Linear Equation An equation for which the graph is a line Example: y = x + 2

Why is this important? You can use this to solve real life problems (For example, when you are adding and subtracting from your bank account constantly) This will help you with algebra You HAVE to know algebra to get into college.

Graphing Three Point Method 1. Choose 3 values for “x” and place them in a table. xY = x + 3y(x, y) 0 1 2

Graphing Step 2 Find solutions using table xY = x + 3y(x, y) Y = Y = Y = (0,3)(0,3) 4 5 (1,4)(1,4) (2,5)(2,5)

Graphing Step 3: Graph the points from the table (0,3) (1,4) (2,5)

Graphing Step 4: Draw a line to connect them

Let’s Try xY = x - 4y(x, y) y = x – 4 1. Choose 3 values for “x” and place them in a table. 2. Find solutions using table 3. Graph the points from the table 4. Draw a line to connect them y = 5 – 41( 5, 1) y = 6 – 4 y = 7 – ( 6, 2) ( 7, 3)

Let’s Try xY = 2xy(x, y) y = 2x 1. Choose 3 values for “x” and place them in a table. 2. Find solutions using table 3. Graph the points from the table 4. Draw a line to connect them y = 2(0)0( 0, 0) y = 2(1) y = 2(2) 2 4 ( 1, 2) ( 2, 4)

Let’s Try xY = x + 5y(x, y) y = x Choose 3 values for “x” and place them in a table. 2. Find solutions using table 3. Graph the points from the table 4. Draw a line to connect them y = ( 1, 6) y = y = ( 2, 7) ( 3, 8)

What did you learn? What is a linear equation? Why is it important? Solve and graph y = x Choose 3 values for “x” and place them in a table. 2. Find solutions using table 3. Graph the points from the table 4. Draw a line to connect them

xy(x, y) 1. Choose 3 values for “x” and place them in a table. 2. Find solutions using table 3. Graph the points from the table 4. Draw a line to connect them