Straight Line Equation. x y x y y = -2x + 3. The Video Shop. You join a video shop for a membership fee of £3 and then charges £2 for each video you hire:
3.3 Special Products and Factoring
3.2 Polynomials
Evolution of Parasites and Diseases The Red Queen to Alice: It takes all the running you can do to stay in the same place.
