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Solve x^2+2x-4, leaving your answer in the simplist surd form. (4marks)

  1. Simplist surd form means use Quadratic equation

  2. Write out Quadratic equation

  3. Write out value of a, b and c

  4. Fit these values into equation

    DR
    Answered by Desnie R. Maths tutor
    3318 Views

What is pathetic fallacy?

Pathetic fallacy is a literary technique in which human emotions are personified in inanimate objects, typically in weather. For example in a section of Macbeth it is a particularly stormy night, the thun...

HP
7030 Views

Cos'hai fatto quest'estate?

Quest'estate è stata speciale. Invece di fare una vacanza di pochi giorni all'estero, la mia famiglia ha ospitato uno studente straniero, con il quale abbiamo fatto tante gite fuori porta, ma senza uscire...

GU
Answered by Giulia U. Italian tutor
3663 Views

Why is n^0 always 1 and not 0?

Anything raised to the zeroth power is a difficult thing to get your head around. The easiest explanation (not a full proof) is to look at what happens as we go down in powers of n: n^3=nnn      ...

JC
Answered by Joseph C. Maths tutor
4560 Views

What actually is current? Why does it differ from potential difference?

Current is defined as 'the flow of electric charge'. It can be broken down into very simple system of electrons, who carry charge, moving around a circuit. Potential difference can be thought of the force...

JO
Answered by James O. Physics tutor
6599 Views

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