# Algebra 1: 450 Equations From Lines

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Mr. Appledorf's On-Line PowerPoint Math Lessons

Equations From Lines

Objectives:
Students will determine equations in point-slope, standard, and slope-intercept form given 2 points on a line or 1 point on a line and its slope.

NCTM Standards:
Students understand relations and functions and select, convert flexibly among, and use various representations for them.

California Content Standards:
(7.0) Students 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.
(8.0) Students are able to find the equation of a line perpendicular to a given line that passes through a given point.

Slides:

* Equations From Lines
* Measuring Slope
* Which Point Is P2 (x2, y2) ?
* Point-Slope Form
* Point-Slope Form: Example
* Point-Slope Form: Practice
* Point-Slope Form: Two Points
* Point-Slope Form and (0, b)
* Is a Point on a Line?
* Practice: Is a Point on a Line?
* Equation of a Perpendicular Line

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Mr. Appledorf's On-Line PowerPoint Math Lessons
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Teaching Duration
50 minutes
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