Chapter 4-3 2016.notebook - spanewman.files.wordpress.com · 12/12/2016 · Chapter 43...
Transcript of Chapter 4-3 2016.notebook - spanewman.files.wordpress.com · 12/12/2016 · Chapter 43...
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Homework: Chapter 4-3 Skills Practice odd numbers
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Chapter 43 PointSlope Form of Linear Equation
If you have a line with a slope of 4 and a point (2,5), to put this in point slope form:
If you have a line with a slope of 2 and a point (4, 5), what is this in pointslope form?
If you have a line with a slope of 6 and a point (2, 3), what is this in pointslope form?
If you have a line with a slope of and a point (2, 5), what is this in pointslope form?
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If you have 2 points: (1,3) and (5,1), you need to find slope first:
So equation is: or
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Three forms of linear equations:
1. Standard:
2. Slope intercept:(also known as yintercept)
3. Pointslope:
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Here are 2 points: (1, 4) and (2, 2) Write a linear equation using the three forms.
Step 1: Find slope Write the pointslope form:
Change this to yintercept form:
Change this to standard form:
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Write a linear equation using all 3 forms:
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Write a linear equation using all 3 forms:
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Write a linear equation using all 3 forms:
(2, 11) (5, 7)
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Write a linear equation using all 3 forms:
(3, 3) (6, 2)
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