Equation of a Line Graphics & Images Reviewed by Teachers

National Council of Teachers of Mathematics

The Math Forum: Lines and Slope: Chameleon Graphing

For Students 6th - 8th Standards

Join Joan the chameleon in an exploration of lines and slope. You'll be drawing lines, calculating slope, using equations and more!

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Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: The Equation of a Straight Line

For Students 9th - 10th Standards

Here is a site that clearly and thoroughly explains linear functions and the equation of a straight line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...

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Other

Lake Tahoe Community College: Parmetric Equations

For Students 9th - 10th

Parmametric equations are explained by finding the parametric equation of a line giving two points on a line.

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Sophia Learning

Sophia: Writing a Linear Equation From a Perpendicular Line and Point

For Students 9th - 10th Standards

This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line.

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Oswego City School District

Oswego City School: Midpoint Formula

For Students 9th - 10th

Students are given methods with pictures to solve for the midpoint of a line segment.

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Curated OER

Webmath.com: Graph a Line

For Students 9th - 10th

WebMath.com offers a java applet that allows you to input the slope of a line and a point on the line and gives you the equation, in slope-intercept form, of the line with the given slope that passes through the point. It also includes a...

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Duke University

Duke University: Introduction to Linear Regression

For Students 9th - 10th Standards

This page discusses linear regression, its equations, background, and applications. Provides questions, answers, formulas, and explanations for understanding.

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Sophia Learning

Sophia: Finding Intersections: Lesson 2

For Students 7th - 8th

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 2 of 5 in the series titled "Finding Intersections."

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Sophia Learning

Sophia: Finding Intersections: Lesson 5

For Students 9th - 10th

This lesson demonstrates graphing two lines on a coordinate plane and determining the point where two lines intersect. It is 5 of 5 in the series titled "Finding Intersections."

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Purple Math

Purplemath: Solving Inequalities: An Overview

For Students 9th - 10th Standards

A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.

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Curated OER

Proceedings of the Friesian School/the Quantacized Atom

For Students 9th - 10th

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

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