Bellwork Find the slope and y -intercept 1.) y = 3x -2.

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Presentation transcript:

Bellwork Find the slope and y -intercept 1.) y = 3x -2

1.) y = 3x -2 Slope is 3 y-intercept is -2

2.)Find slope & y-int Slope is 2 Y Y-intercept is 2 X

Write an equation of the line 1.) If the slope is 5 and the y-intercept is 3 y = 5x + 3 2.) If the slope is -2 and the y-intercept is 2. y = -2x + 2

To be able to write an equation of a line in the slope intercept form. Today’s Objective To be able to write an equation of a line in the slope intercept form.

Write an equation of the line 1.) If the slope is 1/3 and the y-intercept is -2. y = 1/3x -2 2.) If the slope is -3/4 and the y-intercept is 6. y = -3/4x + 6

You try these, Write an equation of the line 1.) If the slope is -3 and the y-intercept is 2. 2.) If the slope is 1/2 and the y-intercept is 0. 3.) If the slope is -1 and the y-intercept is 3/4.

Write an equation of the line 1.) If the slope is -3 and the y-intercept is 2. y = -3x + 2 2.) If the slope is 1/2 and the y-intercept is 0. y = 1/2x

Write an equation of the line 3.) If the slope is -1 and the y-intercept is 3/4. y = -x + 3/4

Write an equation of the line by finding the slope and y-intercept Slope is up 2 left 2 = -1 Y y-intercept = 4 X y = -x + 4

Write an equation of the line by finding the slope and y-intercept y = 3x - 3 Slope is up 3 right = 3 X y-intercept = -3

You try this one, Write an equation of the line Slope is up 3 left 1 = -3 Y y-intercept = 2 X y = -3x +2

You try this one, Write an equation of the line Slope is up 1 right 5 = 1/5 You try this one, Write an equation of the line Y X y-intercept = 1 y = 1/5x +1

Write an equation of the line by finding the slope and y-intercept X y = 2 y = 0x + 2

Write an equation of the line by finding the slope and y-intercept Slope is undefined Y X x = 3

Write an equations of these three lines. Y y = 1/2x +2 y = 1/2x + 0 X y = 1/2x - 3 Go to point-slope 5-6

Classwork Do worksheet 5.1 Homework page 239 (9-21)