MAT_1143_feb_11 - Click to edit Master subtitle style...

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Unformatted text preview: Click to edit Master subtitle style February 11, 2011 Sections 2.7-2.8 Reminder Exam 1 will be on Friday, Feb. 18 (1 week away). It will cover material from 1.1 through 2.9 Review Important topics for upcoming exam are on a review sheet. Also in a separate course document at MySBU What if we have one point (not y-intercept) and the slope? For example, through (2,4) with slope 3. Can still construct a graph (just like we did when given y-intercept and slope) (2,4) is on the line. With slope of 3, point a rise of 3 and run of 1 also on the line So-which point is on the line? A (5,5), B: (3,7) C: (3,5) , D: (2,7). From there we can graph the line. Graph? Equation? What if we have one point (not y-intercept) and the slope? For example, through (2,4) with slope 3. y = b+mx still works, but b is our unknown. Plug in the three values we have A: 2 = b+3*4, B: 2=b+3*2, C: 4 = b+3*2, D: 4 = b+3*4 4 = b+6 b = -2 y = -2+3x...
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MAT_1143_feb_11 - Click to edit Master subtitle style...

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