Simultaneous equations like 𝒚 = 2𝒙 - 1 and 𝒚 = 𝒙 + 1 can be represented graphically. To solve the equations graphically, the two lines 𝒚 = 𝒙 + 1 and 𝒚 = 2𝒙 - 1 are drawn on the same diagram.

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Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

To participate, submit your response here by July 24 at 9 a.m. Eastern. This week’s winners will be announced by Aug. 5. By The Learning Network Megha Mishra learned a scientific fact that could have ...

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