5.1 Writing Linear equations in slope intercept form

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Presentation transcript:

5.1 Writing Linear equations in slope intercept form

Notes Slope intercept form: y = mx + b Y = 3x + 2 M = slope B = y-intercept Y = 3x + 2 What is the slope? What is the y-intercept Identify the slope and intercept Y = 2x + 5 Y = 1/2x Y = -4x + 1 Y = 3 + 2x Y = x -5 2y = 4x - 3

Write equation of a line t/st Slope of 1 and intercept of 0 Slope of -3 and intercept of -5 Slope of 0 and intercept of 9 Slope of -2 and intercept of 4 Slope of 6 and intercept of -1 Slope of -6 and intercept of -2 Slope of -3/4 and intercept of 2

Write equation from graph Find slope Find y-int Write equation

Write equation from graph-st Blue: Red: Green:

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Wrap up Questions/Comments Hw: Text pg. 276, #’s: 4-24 evens, 26, 27, 30