In this video, Salman Khan of Khan Academy explains linear equations. Part 2 of 4.
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Khan Academy
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In this video, Salman Khan of Khan Academy explains linear equations. Part 1 of 4.
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Khan Academy
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how to solve this problem
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Tutor.com
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Step-by-step solutions to odd-numbered problems from dozens of pre-algebra textbooks.
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Hotmath
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This interactive online tool enables students to simultaneously visualize and manipulate three linked representations of a distance-rate-time problem. The side-by-side tool format features two airplanes (each flying at a constant speed) on merging jet routes, the corresponding distance-vs.-time graphs, and the corresponding linear equations.
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NASA
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A helpful scientific calculator that runs in your web browser window.
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Holt Online Learning
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In this video, Salman Khan of Khan Academy shows you how to graph a line.
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Khan Academy
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Need help solving systems of linear equations? In this video, a Tutor.com algebra tutor uses the substitution method to solve a system of linear equations, and shows you how to use graphing to make sure you don’t get tricked by systems of parallel lines that have no solution. You’ll graph the linear equations, find their point of intersection, solve them using substitution, and check your work to make sure it all makes sense.
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Tutor.com
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Gives a list of formulas for kids to help them if they have forgotten them.
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Think Quest
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