Search over 10,000 free study notes

Quadratic inequalities generally don't arrive in the standard quadratic form (Ax^2 + Bx +c) and so can be sometimes difficult to spot. However, if you see an X^2 - or brackets that expand to X^2 - on eith...

Factorise the quadratic into two brackets to make (x-3)(x-5)=0 Because the product of these brackets is zero then the value of one of the brackets must equal zero. In order for one of the brackets to have...

Financial and economic problems during the reign of Philip II were his most severe domestic problem. Economic regionalism led to record levels of poverty and unemployment which, by 1598, led to the collap...

Congress has become the weakest branch of government. Traditionally Congress has exercised the right to enforce decisions made by the Supreme Court, which would suggest that they are more powerful. Howeve...

2 AgI + 1 Na₂S → 1 Ag₂S + 2 NaI Both sides of the equation need to have the same number of each element. We need to make sure that the amount of one element we have on one side of th...