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Do Now

Practice writing linear equations in different forms, solve slope problems, and verify points on lines. Develop skills through various exercises in your lecture notebook quietly.

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Do Now

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  1. Do Now Complete the following problems in your lecture notebook, QUIETLY. Pepe and Allison are finding the slope of the line that passes through (2, 6) & (5, 3). Pepe wrote . Allison wrote . Who was correct? EXPLAIN in writing. • Announcements: Bring graph paper!!!!!!!! • Unit 1 Retake will be 9/18/12. • Unit 1 Test Corrections due 9/19/12.

  2. Students will be able to demonstrate their understanding of writing linear equations in 1) point-slope form, 2) slope-intercept form given two points, a graph, and a point and a slope by scoring at least basic on their exit slip. Objective

  3. Standard 6.0Students graph a linear equation and compute the x- and y-intercepts (e.g., graph 2x + 6y = 4). They are also able to sketch the region defined by linear inequality. Standard 7.0Students verify that a point lies on a line, given an equation of the line. Students are able to derive linear equations by using the point-slope formula.

  4. 1) Write an equation in slope-intercept form of the line with a slope of ¼ and a y-intercept of –6. 2) Write an equation in slope-intercept form of the line shown in the graph. 3) Write an equation of a line that passes through (2, –3) with slope ½.

  5. 4) Write the point-slope form of an equation for a line that passes through (–2, 0) with slope -3/2. 5) 6) Write the point-slope form of an equation for a horizontal line that passes through (0, 5).

  6. 1) Write an equation in slope-intercept form of the line whose slope is 4 and whose y-intercept is 3. 2) Write an equation in slope intercept form of the line shown in the graph. 3) Write an equation of a line that passes through (1, 4) and has a slope of –3.

  7. 4) Given the table, write an equation in slope intercept form that describes the function. 5) Write the point-slope form of an equation for a line that passes through (4, –3) with slope –2. 6) Write the point-slope form of an equation for a horizontal line that passes through (–3, –4).

  8. Exit Slip • Write the equation in slope-intercept form if the line goes through the point (-4, -3) and (5, 15). • Write the equation of the graph shown below in slope-intercept form.

  9. Exit Slip 3. Write the equation in point slope form given (2, 3), m = 5 4. Write the equation of the line below in point-slope form.

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