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Do Now Rewrite the equation 6x - 2y = 8 in slope intercept form. (y = mx + b) What is the equation in slope intercept form? What number represents the.

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Presentation on theme: "Do Now Rewrite the equation 6x - 2y = 8 in slope intercept form. (y = mx + b) What is the equation in slope intercept form? What number represents the."— Presentation transcript:

1 Do Now Rewrite the equation 6x - 2y = 8 in slope intercept form. (y = mx + b) What is the equation in slope intercept form? What number represents the slope? What does the slope mean?

2 Do Now 6x - 2y = 8 -6x -6x - 2y = -6x + 8 - 2 -2 -2 y = 3x - 4
Rewrite the equation 6x - 2y = 8 in slope intercept form. (y = mx + b) What is the equation in slope intercept form? 6x - 2y = 8 -6x x - 2y = -6x + 8 y = 3x - 4

3 Do Now Rewrite the equation 6x - 2y = 8 in slope intercept form. (y = mx + b) What number represents the slope? What does the slope mean? y = 3x - 4 The slope is 3 The slope means 3 up and 1 to the right

4 Writing the equation of a line
Write an equation of the line given 2 points SWBAT:

5 Equations of a line Yesterday, we learned how to use the point slope form of a line To use this equation you must have a point (x, y) and a slope (m)

6 Equations of a line Let’s look at this situation. You have two points, (-6,-3) and (3 , 0). If you graphed both points you would get the following line

7 Equations of a line Write the equation of a line that passes through the points (-6,-3) and (3 , 0). If I wanted to use this formula, I would need to have a point and a slope. So what am I missing?

8 So let’s find the slope between the points
Equations of a line So let’s find the slope between the points (-6,-3) and (3 , 0).

9 Equations of a line So now we know that the slope is 1/3 we can write the equation of a line that passes through the points (-6,-3) and (3 , 0).

10 Equations of a line So now we know that the slope is 1/3 we can write the equation of a line that passes through the points (-6,-3) and (3 , 0).

11 Equations of a line

12 Break into your groups and complete the worksheet
Practice Break into your groups and complete the worksheet


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