Lesson 8 point slope form.notebook
February 08, 2016
Lesson 8 (PH Text 5.4): Point­Slope Form y – y1 = m ( x – x1 ) Objective: to write and graph linear equations using point­slope form m = slope
(x1, y1) is the point that you are given.
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Lesson 8 point slope form.notebook
February 08, 2016
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Lesson 8 point slope form.notebook
February 08, 2016
There are 2 ways to do this:
way #1:
1. Find the coordinates of the point:
2. Plot the point.
3. Find the slope.
4. Plot another point.
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way #2:
1. Re-arrange into slope intercept
form (y = mx + b)
2. find the slope and y-intercept.
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Lesson 8 point slope form.notebook
February 08, 2016
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Write an equation in slope-intercept form of the line that passes
through the points (1, 4) and (3, 10).
1st: Find the slope
2nd: Use the slope and the coordinates of ONE point.
3rd: Re-arrange into y = mx + b
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Lesson 8 point slope form.notebook
February 08, 2016
Write the equation of the line that passes through (-2, 1) and
(3, 4).
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Homework:
pg. 316 - 317
#'s 8-11 all, 12, 14, 19, 21
Period 8: also do #'s 16-18
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