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.

This is a preview. Log in through your library . Journal Information Ecology publishes articles that report on the basic elements of ecological research. Emphasis is placed on concise, clear articles ...

A UNSW Sydney mathematician has discovered a new method to tackle algebra's oldest challenge—solving higher polynomial equations. Polynomials are equations involving a variable raised to powers, such ...

A mathematical brain teaser challenges people to solve the matchstick equation in just two moves. The puzzle uses matchsticks ...

Stanford mathematician Keith Devlin talks with NPR's Scott Simon about the idea of using logic and quantitative reasoning puzzles to screen job applicants in the high-tech industry. Long a niche ...