**NEVER**cross multiply when there is no equal sign in the equation.**Always**do the**inner most**bracket**first**.**All****x****intercept**are called**Roots**.- The
*y*intercept of the curve line/parabola is the**product**of the*y*intercepts of the original straight lines. - The
*x intercept of the curve is the***same**as the original straight lines.

## Thursday, August 26, 2010

### summary for 22/8/10

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