Quadratics Flashcards
1
Q
What is the rule when factorising
A
The middle number is the thingies added together and the end number is them multiplied
2
Q
What is the quadratic formula?
A
x=(-b±√(b²-4ac))/(2a)
3
Q
What is the equation of a circle?
A
(x-a)² + (y-b)² = r²